18728722

素因数分解:

$2^1\times {\mathrm{29}}^1\times {\mathrm{137}}^1\times {\mathrm{2357}}^1$

素因数の和:2525

約数の個数: 16

約数和(自身を含む): 29286360

約数和(自身を除く): 10557638

約数列:

[1, 2, 29, 58, 137, 274, 2357, 3973, 4714, 7946, 68353, 136706, 322909, 645818, 9364361, 18728722]

約数ペア:

[(1, 18728722), (2, 9364361), (29, 645818), (58, 322909), (137, 136706), (274, 68353), (2357, 7946), (3973, 4714)]