18331621

素因数分解:

$7^1\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{941}}^1$

素因数の和:993

約数の個数: 24

約数和(自身を含む): 24054912

約数和(自身を除く): 5723291

約数列:

[1, 7, 11, 23, 77, 121, 161, 253, 847, 941, 1771, 2783, 6587, 10351, 19481, 21643, 72457, 113861, 151501, 238073, 797027, 1666511, 2618803, 18331621]

約数ペア:

[(1, 18331621), (7, 2618803), (11, 1666511), (23, 797027), (77, 238073), (121, 151501), (161, 113861), (253, 72457), (847, 21643), (941, 19481), (1771, 10351), (2783, 6587)]