18707927

素因数分解:

$7^1\times {\mathrm{47}}^1\times {\mathrm{101}}^1\times {\mathrm{563}}^1$

素因数の和:718

約数の個数: 16

約数和(自身を含む): 22090752

約数和(自身を除く): 3382825

約数列:

[1, 7, 47, 101, 329, 563, 707, 3941, 4747, 26461, 33229, 56863, 185227, 398041, 2672561, 18707927]

約数ペア:

[(1, 18707927), (7, 2672561), (47, 398041), (101, 185227), (329, 56863), (563, 33229), (707, 26461), (3941, 4747)]