18728866

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{42373}}^1$

素因数の和:42405

約数の個数: 16

約数和(自身を含む): 32034744

約数和(自身を除く): 13305878

約数列:

[1, 2, 13, 17, 26, 34, 221, 442, 42373, 84746, 550849, 720341, 1101698, 1440682, 9364433, 18728866]

約数ペア:

[(1, 18728866), (2, 9364433), (13, 1440682), (17, 1101698), (26, 720341), (34, 550849), (221, 84746), (442, 42373)]