18407909

素因数分解:

${\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{139}}^1\times {\mathrm{167}}^1$

素因数の和:380

約数の個数: 16

約数和(自身を含む): 20415360

約数和(自身を除く): 2007451

約数列:

[1, 13, 61, 139, 167, 793, 1807, 2171, 8479, 10187, 23213, 110227, 132431, 301769, 1415993, 18407909]

約数ペア:

[(1, 18407909), (13, 1415993), (61, 301769), (139, 132431), (167, 110227), (793, 23213), (1807, 10187), (2171, 8479)]