18861338

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{3623}}^1$

素因数の和:3781

約数の個数: 16

約数和(自身を含む): 30006720

約数和(自身を除く): 11145382

約数列:

[1, 2, 19, 38, 137, 274, 2603, 3623, 5206, 7246, 68837, 137674, 496351, 992702, 9430669, 18861338]

約数ペア:

[(1, 18861338), (2, 9430669), (19, 992702), (38, 496351), (137, 137674), (274, 68837), (2603, 7246), (3623, 5206)]