18468395

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{409}}^1\times {\mathrm{821}}^1$

素因数の和:1246

約数の個数: 16

約数和(自身を含む): 24265440

約数和(自身を除く): 5797045

約数列:

[1, 5, 11, 55, 409, 821, 2045, 4105, 4499, 9031, 22495, 45155, 335789, 1678945, 3693679, 18468395]

約数ペア:

[(1, 18468395), (5, 3693679), (11, 1678945), (55, 335789), (409, 45155), (821, 22495), (2045, 9031), (4105, 4499)]