18175804

素因数分解:

$2^2\times {\mathrm{61}}^1\times {\mathrm{163}}^1\times {\mathrm{457}}^1$

素因数の和:685

約数の個数: 24

約数和(自身を含む): 32598608

約数和(自身を除く): 14422804

約数列:

[1, 2, 4, 61, 122, 163, 244, 326, 457, 652, 914, 1828, 9943, 19886, 27877, 39772, 55754, 74491, 111508, 148982, 297964, 4543951, 9087902, 18175804]

約数ペア:

[(1, 18175804), (2, 9087902), (4, 4543951), (61, 297964), (122, 148982), (163, 111508), (244, 74491), (326, 55754), (457, 39772), (652, 27877), (914, 19886), (1828, 9943)]