18818840

素因数分解:

$2^3\times 5^1\times {\mathrm{470471}}^1$

素因数の和:470482

約数の個数: 16

約数和(自身を含む): 42342480

約数和(自身を除く): 23523640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 470471, 940942, 1881884, 2352355, 3763768, 4704710, 9409420, 18818840]

約数ペア:

[(1, 18818840), (2, 9409420), (4, 4704710), (5, 3763768), (8, 2352355), (10, 1881884), (20, 940942), (40, 470471)]