18253145

素因数分解:

$5^1\times {\mathrm{23}}^2\times {\mathrm{67}}^1\times {\mathrm{103}}^1$

素因数の和:221

約数の個数: 24

約数和(自身を含む): 23464896

約数和(自身を除く): 5211751

約数列:

[1, 5, 23, 67, 103, 115, 335, 515, 529, 1541, 2369, 2645, 6901, 7705, 11845, 34505, 35443, 54487, 158723, 177215, 272435, 793615, 3650629, 18253145]

約数ペア:

[(1, 18253145), (5, 3650629), (23, 793615), (67, 272435), (103, 177215), (115, 158723), (335, 54487), (515, 35443), (529, 34505), (1541, 11845), (2369, 7705), (2645, 6901)]