2109178885

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{18517}}^1$

素因数の和:18661

約数の個数: 32

約数和(自身を含む): 2933251200

約数和(自身を除く): 824072315

約数列:

[1, 5, 11, 19, 55, 95, 109, 209, 545, 1045, 1199, 2071, 5995, 10355, 18517, 22781, 92585, 113905, 203687, 351823, 1018435, 1759115, 2018353, 3870053, 10091765, 19350265, 22201883, 38348707, 111009415, 191743535, 421835777, 2109178885]

約数ペア:

[(1, 2109178885), (5, 421835777), (11, 191743535), (19, 111009415), (55, 38348707), (95, 22201883), (109, 19350265), (209, 10091765), (545, 3870053), (1045, 2018353), (1199, 1759115), (2071, 1018435), (5995, 351823), (10355, 203687), (18517, 113905), (22781, 92585)]