18902081665

素因数分解:

$5^1\times {\mathrm{199}}^1\times {\mathrm{2129}}^1\times {\mathrm{8923}}^1$

素因数の和:11256

約数の個数: 16

約数和(自身を含む): 22809744000

約数和(自身を除く): 3907662335

約数列:

[1, 5, 199, 995, 2129, 8923, 10645, 44615, 423671, 1775677, 2118355, 8878385, 18997067, 94985335, 3780416333, 18902081665]

約数ペア:

[(1, 18902081665), (5, 3780416333), (199, 94985335), (995, 18997067), (2129, 8878385), (8923, 2118355), (10645, 1775677), (44615, 423671)]