2018009619

素因数分解:

$3^4\times {\mathrm{521}}^1\times {\mathrm{47819}}^1$

素因数の和:48352

約数の個数: 20

約数和(自身を含む): 3020406840

約数和(自身を除く): 1002397221

約数列:

[1, 3, 9, 27, 81, 521, 1563, 4689, 14067, 42201, 47819, 143457, 430371, 1291113, 3873339, 24913699, 74741097, 224223291, 672669873, 2018009619]

約数ペア:

[(1, 2018009619), (3, 672669873), (9, 224223291), (27, 74741097), (81, 24913699), (521, 3873339), (1563, 1291113), (4689, 430371), (14067, 143457), (42201, 47819)]