19478710

素因数分解:

$2^1\times 5^1\times {\mathrm{443}}^1\times {\mathrm{4397}}^1$

素因数の和:4847

約数の個数: 16

約数和(自身を含む): 35148816

約数和(自身を除く): 15670106

約数列:

[1, 2, 5, 10, 443, 886, 2215, 4397, 4430, 8794, 21985, 43970, 1947871, 3895742, 9739355, 19478710]

約数ペア:

[(1, 19478710), (2, 9739355), (5, 3895742), (10, 1947871), (443, 43970), (886, 21985), (2215, 8794), (4397, 4430)]