18413211

素因数分解:

$3^1\times {\mathrm{71}}^1\times {\mathrm{137}}^1\times {\mathrm{631}}^1$

素因数の和:842

約数の個数: 16

約数和(自身を含む): 25118208

約数和(自身を除く): 6704997

約数列:

[1, 3, 71, 137, 213, 411, 631, 1893, 9727, 29181, 44801, 86447, 134403, 259341, 6137737, 18413211]

約数ペア:

[(1, 18413211), (3, 6137737), (71, 259341), (137, 134403), (213, 86447), (411, 44801), (631, 29181), (1893, 9727)]