20181877180

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{27272807}}^1$

素因数の和:27272853

約数の個数: 24

約数和(自身を含む): 43527401568

約数和(自身を除く): 23345524388

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 148, 185, 370, 740, 27272807, 54545614, 109091228, 136364035, 272728070, 545456140, 1009093859, 2018187718, 4036375436, 5045469295, 10090938590, 20181877180]

約数ペア:

[(1, 20181877180), (2, 10090938590), (4, 5045469295), (5, 4036375436), (10, 2018187718), (20, 1009093859), (37, 545456140), (74, 272728070), (148, 136364035), (185, 109091228), (370, 54545614), (740, 27272807)]