19487979

素因数分解:

$3^3\times 7^1\times {\mathrm{97}}^1\times {\mathrm{1063}}^1$

素因数の和:1176

約数の個数: 32

約数和(自身を含む): 33367040

約数和(自身を除く): 13879061

約数列:

[1, 3, 7, 9, 21, 27, 63, 97, 189, 291, 679, 873, 1063, 2037, 2619, 3189, 6111, 7441, 9567, 18333, 22323, 28701, 66969, 103111, 200907, 309333, 721777, 927999, 2165331, 2783997, 6495993, 19487979]

約数ペア:

[(1, 19487979), (3, 6495993), (7, 2783997), (9, 2165331), (21, 927999), (27, 721777), (63, 309333), (97, 200907), (189, 103111), (291, 66969), (679, 28701), (873, 22323), (1063, 18333), (2037, 9567), (2619, 7441), (3189, 6111)]