18418984

素因数分解:

$2^3\times {\mathrm{53}}^1\times {\mathrm{43441}}^1$

素因数の和:43500

約数の個数: 16

約数和(自身を含む): 35188020

約数和(自身を除く): 16769036

約数列:

[1, 2, 4, 8, 53, 106, 212, 424, 43441, 86882, 173764, 347528, 2302373, 4604746, 9209492, 18418984]

約数ペア:

[(1, 18418984), (2, 9209492), (4, 4604746), (8, 2302373), (53, 347528), (106, 173764), (212, 86882), (424, 43441)]