72122138

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{172541}}^1$

素因数の和:172573

約数の個数: 16

約数和(自身を含む): 124230240

約数和(自身を除く): 52108102

約数列:

[1, 2, 11, 19, 22, 38, 209, 418, 172541, 345082, 1897951, 3278279, 3795902, 6556558, 36061069, 72122138]

約数ペア:

[(1, 72122138), (2, 36061069), (11, 6556558), (19, 3795902), (22, 3278279), (38, 1897951), (209, 345082), (418, 172541)]