18800907

素因数分解:

$3^1\times {\mathrm{157}}^1\times {\mathrm{179}}^1\times {\mathrm{223}}^1$

素因数の和:562

約数の個数: 16

約数和(自身を含む): 25482240

約数和(自身を除く): 6681333

約数列:

[1, 3, 157, 179, 223, 471, 537, 669, 28103, 35011, 39917, 84309, 105033, 119751, 6266969, 18800907]

約数ペア:

[(1, 18800907), (3, 6266969), (157, 119751), (179, 105033), (223, 84309), (471, 39917), (537, 35011), (669, 28103)]