18838131

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{409}}^1\times {\mathrm{1181}}^1$

素因数の和:1606

約数の個数: 16

約数和(自身を含む): 27138720

約数和(自身を除く): 8300589

約数列:

[1, 3, 13, 39, 409, 1181, 1227, 3543, 5317, 15353, 15951, 46059, 483029, 1449087, 6279377, 18838131]

約数ペア:

[(1, 18838131), (3, 6279377), (13, 1449087), (39, 483029), (409, 46059), (1181, 15951), (1227, 15353), (3543, 5317)]