18228259

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{2633}}^1$

素因数の和:2706

約数の個数: 16

約数和(自身を含む): 22252032

約数和(自身を除く): 4023773

約数列:

[1, 7, 23, 43, 161, 301, 989, 2633, 6923, 18431, 60559, 113219, 423913, 792533, 2604037, 18228259]

約数ペア:

[(1, 18228259), (7, 2604037), (23, 792533), (43, 423913), (161, 113219), (301, 60559), (989, 18431), (2633, 6923)]