18391659

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{997}}^1$

素因数の和:1067

約数の個数: 32

約数和(自身を含む): 29508864

約数和(自身を除く): 11117205

約数列:

[1, 3, 11, 13, 33, 39, 43, 129, 143, 429, 473, 559, 997, 1419, 1677, 2991, 6149, 10967, 12961, 18447, 32901, 38883, 42871, 128613, 142571, 427713, 471581, 557323, 1414743, 1671969, 6130553, 18391659]

約数ペア:

[(1, 18391659), (3, 6130553), (11, 1671969), (13, 1414743), (33, 557323), (39, 471581), (43, 427713), (129, 142571), (143, 128613), (429, 42871), (473, 38883), (559, 32901), (997, 18447), (1419, 12961), (1677, 10967), (2991, 6149)]