18733169

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{1481}}^1$

素因数の和:1640

約数の個数: 16

約数和(自身を含む): 23237760

約数和(自身を除く): 4504591

約数列:

[1, 7, 13, 91, 139, 973, 1481, 1807, 10367, 12649, 19253, 134771, 205859, 1441013, 2676167, 18733169]

約数ペア:

[(1, 18733169), (7, 2676167), (13, 1441013), (91, 205859), (139, 134771), (973, 19253), (1481, 12649), (1807, 10367)]