19780409

素因数分解:

${\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{719}}^1$

素因数の和:832

約数の個数: 16

約数和(自身を含む): 22498560

約数和(自身を除く): 2718151

約数列:

[1, 11, 41, 61, 451, 671, 719, 2501, 7909, 27511, 29479, 43859, 324269, 482449, 1798219, 19780409]

約数ペア:

[(1, 19780409), (11, 1798219), (41, 482449), (61, 324269), (451, 43859), (671, 29479), (719, 27511), (2501, 7909)]