18454311

素因数分解:

$3^4\times {\mathrm{137}}^1\times {\mathrm{1663}}^1$

素因数の和:1812

約数の個数: 20

約数和(自身を含む): 27785472

約数和(自身を除く): 9331161

約数列:

[1, 3, 9, 27, 81, 137, 411, 1233, 1663, 3699, 4989, 11097, 14967, 44901, 134703, 227831, 683493, 2050479, 6151437, 18454311]

約数ペア:

[(1, 18454311), (3, 6151437), (9, 2050479), (27, 683493), (81, 227831), (137, 134703), (411, 44901), (1233, 14967), (1663, 11097), (3699, 4989)]