18983511

素因数分解:

$3^3\times {\mathrm{43}}^1\times {\mathrm{83}}^1\times {\mathrm{197}}^1$

素因数の和:332

約数の個数: 32

約数和(自身を含む): 29272320

約数和(自身を除く): 10288809

約数列:

[1, 3, 9, 27, 43, 83, 129, 197, 249, 387, 591, 747, 1161, 1773, 2241, 3569, 5319, 8471, 10707, 16351, 25413, 32121, 49053, 76239, 96363, 147159, 228717, 441477, 703093, 2109279, 6327837, 18983511]

約数ペア:

[(1, 18983511), (3, 6327837), (9, 2109279), (27, 703093), (43, 441477), (83, 228717), (129, 147159), (197, 96363), (249, 76239), (387, 49053), (591, 32121), (747, 25413), (1161, 16351), (1773, 10707), (2241, 8471), (3569, 5319)]