18886040

素因数分解:

$2^3\times 5^1\times {\mathrm{472151}}^1$

素因数の和:472162

約数の個数: 16

約数和(自身を含む): 42493680

約数和(自身を除く): 23607640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 472151, 944302, 1888604, 2360755, 3777208, 4721510, 9443020, 18886040]

約数ペア:

[(1, 18886040), (2, 9443020), (4, 4721510), (5, 3777208), (8, 2360755), (10, 1888604), (20, 944302), (40, 472151)]