18882280

素因数分解:

$2^3\times 5^1\times {\mathrm{472057}}^1$

素因数の和:472068

約数の個数: 16

約数和(自身を含む): 42485220

約数和(自身を除く): 23602940

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 472057, 944114, 1888228, 2360285, 3776456, 4720570, 9441140, 18882280]

約数ペア:

[(1, 18882280), (2, 9441140), (4, 4720570), (5, 3776456), (8, 2360285), (10, 1888228), (20, 944114), (40, 472057)]