19204406

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{19963}}^1$

素因数の和:20015

約数の個数: 16

約数和(自身を含む): 31862544

約数和(自身を除く): 12658138

約数列:

[1, 2, 13, 26, 37, 74, 481, 962, 19963, 39926, 259519, 519038, 738631, 1477262, 9602203, 19204406]

約数ペア:

[(1, 19204406), (2, 9602203), (13, 1477262), (26, 738631), (37, 519038), (74, 259519), (481, 39926), (962, 19963)]