18806661

素因数分解:

$3^4\times {\mathrm{79}}^1\times {\mathrm{2939}}^1$

素因数の和:3030

約数の個数: 20

約数和(自身を含む): 28459200

約数和(自身を除く): 9652539

約数列:

[1, 3, 9, 27, 79, 81, 237, 711, 2133, 2939, 6399, 8817, 26451, 79353, 232181, 238059, 696543, 2089629, 6268887, 18806661]

約数ペア:

[(1, 18806661), (3, 6268887), (9, 2089629), (27, 696543), (79, 238059), (81, 232181), (237, 79353), (711, 26451), (2133, 8817), (2939, 6399)]