Factors of 19
19 has 2 factors — it is a prime number.
All factors of 19
1, 19
Prime factorization: 19 (prime)
Number of factors
2
Sum of factors
20
Prime?
Yes
Factor pairs of 19
Each pair multiplies together to make 19:
| Pair | Product |
|---|---|
| 1 × 19 | 19 |
Factors of nearby numbers
Factor any number
Need a different number? The prime factorization calculator breaks any number into its prime factors and lists all its divisors.
Frequently asked questions
What are the factors of 19?+
The factors of 19 are 1, 19 — that is 2 factors in total.
What is the prime factorization of 19?+
19 is a prime number, so its only factors are 1 and 19 and its prime factorization is just 19.
Is 19 a prime number?+
Yes. 19 has exactly two factors, 1 and itself, so it is prime.