20180376999

素因数分解:

$3^2\times {\mathrm{43}}^1\times {\mathrm{52145677}}^1$

素因数の和:52145726

約数の個数: 12

約数和(自身を含む): 29827327816

約数和(自身を除く): 9646950817

約数列:

[1, 3, 9, 43, 129, 387, 52145677, 156437031, 469311093, 2242264111, 6726792333, 20180376999]

約数ペア:

[(1, 20180376999), (3, 6726792333), (9, 2242264111), (43, 469311093), (129, 156437031), (387, 52145677)]