18842440

素因数分解:

$2^3\times 5^1\times {\mathrm{471061}}^1$

素因数の和:471072

約数の個数: 16

約数和(自身を含む): 42395580

約数和(自身を除く): 23553140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 471061, 942122, 1884244, 2355305, 3768488, 4710610, 9421220, 18842440]

約数ペア:

[(1, 18842440), (2, 9421220), (4, 4710610), (5, 3768488), (8, 2355305), (10, 1884244), (20, 942122), (40, 471061)]