18517742

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{3557}}^1$

素因数の和:3715

約数の個数: 16

約数和(自身を含む): 29460240

約数和(自身を除く): 10942498

約数列:

[1, 2, 19, 38, 137, 274, 2603, 3557, 5206, 7114, 67583, 135166, 487309, 974618, 9258871, 18517742]

約数ペア:

[(1, 18517742), (2, 9258871), (19, 974618), (38, 487309), (137, 135166), (274, 67583), (2603, 7114), (3557, 5206)]