18672141

素因数分解:

$3^1\times {\mathrm{137}}^1\times {\mathrm{181}}^1\times {\mathrm{251}}^1$

素因数の和:572

約数の個数: 16

約数和(自身を含む): 25316928

約数和(自身を除く): 6644787

約数列:

[1, 3, 137, 181, 251, 411, 543, 753, 24797, 34387, 45431, 74391, 103161, 136293, 6224047, 18672141]

約数ペア:

[(1, 18672141), (3, 6224047), (137, 136293), (181, 103161), (251, 74391), (411, 45431), (543, 34387), (753, 24797)]