18640655

素因数分解:

$5^1\times {\mathrm{11}}^3\times {\mathrm{2801}}^1$

素因数の和:2839

約数の個数: 16

約数和(自身を含む): 24612768

約数和(自身を除く): 5972113

約数列:

[1, 5, 11, 55, 121, 605, 1331, 2801, 6655, 14005, 30811, 154055, 338921, 1694605, 3728131, 18640655]

約数ペア:

[(1, 18640655), (5, 3728131), (11, 1694605), (55, 338921), (121, 154055), (605, 30811), (1331, 14005), (2801, 6655)]