18930357

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{109}}^1\times {\mathrm{839}}^1$

素因数の和:977

約数の個数: 24

約数和(自身を含む): 28828800

約数和(自身を除く): 9898443

約数列:

[1, 3, 9, 23, 69, 109, 207, 327, 839, 981, 2507, 2517, 7521, 7551, 19297, 22563, 57891, 91451, 173673, 274353, 823059, 2103373, 6310119, 18930357]

約数ペア:

[(1, 18930357), (3, 6310119), (9, 2103373), (23, 823059), (69, 274353), (109, 173673), (207, 91451), (327, 57891), (839, 22563), (981, 19297), (2507, 7551), (2517, 7521)]