2012109110

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{18291901}}^1$

素因数の和:18291919

約数の個数: 16

約数和(自身を含む): 3951050832

約数和(自身を除く): 1938941722

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 18291901, 36583802, 91459505, 182919010, 201210911, 402421822, 1006054555, 2012109110]

約数ペア:

[(1, 2012109110), (2, 1006054555), (5, 402421822), (10, 201210911), (11, 182919010), (22, 91459505), (55, 36583802), (110, 18291901)]