18809063

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{1487}}^1$

素因数の和:1646

約数の個数: 16

約数和(自身を含む): 23331840

約数和(自身を除く): 4522777

約数列:

[1, 7, 13, 91, 139, 973, 1487, 1807, 10409, 12649, 19331, 135317, 206693, 1446851, 2687009, 18809063]

約数ペア:

[(1, 18809063), (7, 2687009), (13, 1446851), (91, 206693), (139, 135317), (973, 19331), (1487, 12649), (1807, 10409)]