18510207

素因数分解:

$3^1\times {\mathrm{29}}^1\times {\mathrm{137}}^1\times {\mathrm{1553}}^1$

素因数の和:1722

約数の個数: 16

約数和(自身を含む): 25734240

約数和(自身を除く): 7224033

約数列:

[1, 3, 29, 87, 137, 411, 1553, 3973, 4659, 11919, 45037, 135111, 212761, 638283, 6170069, 18510207]

約数ペア:

[(1, 18510207), (3, 6170069), (29, 638283), (87, 212761), (137, 135111), (411, 45037), (1553, 11919), (3973, 4659)]