18885080

素因数分解:

$2^3\times 5^1\times {\mathrm{472127}}^1$

素因数の和:472138

約数の個数: 16

約数和(自身を含む): 42491520

約数和(自身を除く): 23606440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 472127, 944254, 1888508, 2360635, 3777016, 4721270, 9442540, 18885080]

約数ペア:

[(1, 18885080), (2, 9442540), (4, 4721270), (5, 3777016), (8, 2360635), (10, 1888508), (20, 944254), (40, 472127)]