18960851

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{1499}}^1$

素因数の和:1658

約数の個数: 16

約数和(自身を含む): 23520000

約数和(自身を除く): 4559149

約数列:

[1, 7, 13, 91, 139, 973, 1499, 1807, 10493, 12649, 19487, 136409, 208361, 1458527, 2708693, 18960851]

約数ペア:

[(1, 18960851), (7, 2708693), (13, 1458527), (91, 208361), (139, 136409), (973, 19487), (1499, 12649), (1807, 10493)]