18835473

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{2657}}^1$

素因数の和:2816

約数の個数: 16

約数和(自身を含む): 26792640

約数和(自身を除く): 7957167

約数列:

[1, 3, 17, 51, 139, 417, 2363, 2657, 7089, 7971, 45169, 135507, 369323, 1107969, 6278491, 18835473]

約数ペア:

[(1, 18835473), (3, 6278491), (17, 1107969), (51, 369323), (139, 135507), (417, 45169), (2363, 7971), (2657, 7089)]