18638018

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{78311}}^1$

素因数の和:78337

約数の個数: 16

約数和(自身を含む): 33830784

約数和(自身を除く): 15192766

約数列:

[1, 2, 7, 14, 17, 34, 119, 238, 78311, 156622, 548177, 1096354, 1331287, 2662574, 9319009, 18638018]

約数ペア:

[(1, 18638018), (2, 9319009), (7, 2662574), (14, 1331287), (17, 1096354), (34, 548177), (119, 156622), (238, 78311)]