18423578

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{3701}}^1$

素因数の和:3853

約数の個数: 16

約数和(自身を含む): 29319840

約数和(自身を除く): 10896262

約数列:

[1, 2, 19, 38, 131, 262, 2489, 3701, 4978, 7402, 70319, 140638, 484831, 969662, 9211789, 18423578]

約数ペア:

[(1, 18423578), (2, 9211789), (19, 969662), (38, 484831), (131, 140638), (262, 70319), (2489, 7402), (3701, 4978)]