18816061

素因数分解:

${\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{197}}^1\times {\mathrm{457}}^1$

素因数の和:684

約数の個数: 16

約数和(自身を含む): 21764160

約数和(自身を除く): 2948099

約数列:

[1, 11, 19, 197, 209, 457, 2167, 3743, 5027, 8683, 41173, 90029, 95513, 990319, 1710551, 18816061]

約数ペア:

[(1, 18816061), (11, 1710551), (19, 990319), (197, 95513), (209, 90029), (457, 41173), (2167, 8683), (3743, 5027)]