18900818

素因数分解:

$2^1\times {\mathrm{109}}^1\times {\mathrm{277}}^1\times {\mathrm{313}}^1$

素因数の和:701

約数の個数: 16

約数和(自身を含む): 28806360

約数和(自身を除く): 9905542

約数列:

[1, 2, 109, 218, 277, 313, 554, 626, 30193, 34117, 60386, 68234, 86701, 173402, 9450409, 18900818]

約数ペア:

[(1, 18900818), (2, 9450409), (109, 173402), (218, 86701), (277, 68234), (313, 60386), (554, 34117), (626, 30193)]