18882019960

素因数分解:

$2^3\times 5^1\times {\mathrm{472050499}}^1$

素因数の和:472050510

約数の個数: 16

約数和(自身を含む): 42484545000

約数和(自身を除く): 23602525040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 472050499, 944100998, 1888201996, 2360252495, 3776403992, 4720504990, 9441009980, 18882019960]

約数ペア:

[(1, 18882019960), (2, 9441009980), (4, 4720504990), (5, 3776403992), (8, 2360252495), (10, 1888201996), (20, 944100998), (40, 472050499)]