19991567198

素因数分解:

$2^1\times {\mathrm{59}}^1\times {\mathrm{5531}}^1\times {\mathrm{30631}}^1$

素因数の和:36223

約数の個数: 16

約数和(自身を含む): 30502120320

約数和(自身を除く): 10510553122

約数列:

[1, 2, 59, 118, 5531, 11062, 30631, 61262, 326329, 652658, 1807229, 3614458, 169420061, 338840122, 9995783599, 19991567198]

約数ペア:

[(1, 19991567198), (2, 9995783599), (59, 338840122), (118, 169420061), (5531, 3614458), (11062, 1807229), (30631, 652658), (61262, 326329)]