18378085

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{37}}^1\times {\mathrm{821}}^1$

素因数の和:885

約数の個数: 24

約数和(自身を含む): 24926328

約数和(自身を除く): 6548243

約数列:

[1, 5, 11, 37, 55, 121, 185, 407, 605, 821, 2035, 4105, 4477, 9031, 22385, 30377, 45155, 99341, 151885, 334147, 496705, 1670735, 3675617, 18378085]

約数ペア:

[(1, 18378085), (5, 3675617), (11, 1670735), (37, 496705), (55, 334147), (121, 151885), (185, 99341), (407, 45155), (605, 30377), (821, 22385), (2035, 9031), (4105, 4477)]