20178240122

素因数分解:

$2^1\times {\mathrm{19}}^2\times {\mathrm{27947701}}^1$

素因数の和:27947741

約数の個数: 12

約数和(自身を含む): 31944223386

約数和(自身を除く): 11765983264

約数列:

[1, 2, 19, 38, 361, 722, 27947701, 55895402, 531006319, 1062012638, 10089120061, 20178240122]

約数ペア:

[(1, 20178240122), (2, 10089120061), (19, 1062012638), (38, 531006319), (361, 55895402), (722, 27947701)]