18900845457

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{67}}^1\times {\mathrm{195497}}^1$

素因数の和:195617

約数の個数: 32

約数和(自身を含む): 28289342592

約数和(自身を除く): 9388497135

約数列:

[1, 3, 13, 37, 39, 67, 111, 201, 481, 871, 1443, 2479, 2613, 7437, 32227, 96681, 195497, 586491, 2541461, 7233389, 7624383, 13098299, 21700167, 39294897, 94034057, 170277887, 282102171, 484637063, 510833661, 1453911189, 6300281819, 18900845457]

約数ペア:

[(1, 18900845457), (3, 6300281819), (13, 1453911189), (37, 510833661), (39, 484637063), (67, 282102171), (111, 170277887), (201, 94034057), (481, 39294897), (871, 21700167), (1443, 13098299), (2479, 7624383), (2613, 7233389), (7437, 2541461), (32227, 586491), (96681, 195497)]