18873837

素因数分解:

$3^3\times {\mathrm{47}}^1\times {\mathrm{107}}^1\times {\mathrm{139}}^1$

素因数の和:302

約数の個数: 32

約数和(自身を含む): 29030400

約数和(自身を除く): 10156563

約数列:

[1, 3, 9, 27, 47, 107, 139, 141, 321, 417, 423, 963, 1251, 1269, 2889, 3753, 5029, 6533, 14873, 15087, 19599, 44619, 45261, 58797, 133857, 135783, 176391, 401571, 699031, 2097093, 6291279, 18873837]

約数ペア:

[(1, 18873837), (3, 6291279), (9, 2097093), (27, 699031), (47, 401571), (107, 176391), (139, 135783), (141, 133857), (321, 58797), (417, 45261), (423, 44619), (963, 19599), (1251, 15087), (1269, 14873), (2889, 6533), (3753, 5029)]