15 and 4 are the factors of 120 that add up to 19.
They are 7 and 2
91
Since 19 is a prime number, it only has two factors - 1 and 19.
-49 and -7 -42 and -14 -28 and -28
46
-19
-14 and -14 Add them together to get -28 Multiply them to get 196
37
The factors of 64 are 1, 2, 4, 8, 16, 32 and 64. No two of them add up to 19.
-10 & -18
The 8 factors of 56 are 1, 2, 4, 7, 8, 14, 28, and 56. 2 and 8 add up to 10. Also, 1, 2, and 7 add up to 10.