18701207

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{3833}}^1$

素因数の和:3898

約数の個数: 16

約数和(自身を含む): 23188032

約数和(自身を除く): 4486825

約数列:

[1, 7, 17, 41, 119, 287, 697, 3833, 4879, 26831, 65161, 157153, 456127, 1100071, 2671601, 18701207]

約数ペア:

[(1, 18701207), (7, 2671601), (17, 1100071), (41, 456127), (119, 157153), (287, 65161), (697, 26831), (3833, 4879)]