20181946670

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{28425277}}^1$

素因数の和:28425355

約数の個数: 16

約数和(自身を含む): 36839160288

約数和(自身を除く): 16657213618

約数列:

[1, 2, 5, 10, 71, 142, 355, 710, 28425277, 56850554, 142126385, 284252770, 2018194667, 4036389334, 10090973335, 20181946670]

約数ペア:

[(1, 20181946670), (2, 10090973335), (5, 4036389334), (10, 2018194667), (71, 284252770), (142, 142126385), (355, 56850554), (710, 28425277)]