18279837

素因数分解:

$3^4\times {\mathrm{83}}^1\times {\mathrm{2719}}^1$

素因数の和:2814

約数の個数: 20

約数和(自身を含む): 27646080

約数和(自身を除く): 9366243

約数列:

[1, 3, 9, 27, 81, 83, 249, 747, 2241, 2719, 6723, 8157, 24471, 73413, 220239, 225677, 677031, 2031093, 6093279, 18279837]

約数ペア:

[(1, 18279837), (3, 6093279), (9, 2031093), (27, 677031), (81, 225677), (83, 220239), (249, 73413), (747, 24471), (2241, 8157), (2719, 6723)]