19974033

素因数分解:

$3^4\times {\mathrm{83}}^1\times {\mathrm{2971}}^1$

素因数の和:3066

約数の個数: 20

約数和(自身を含む): 30207408

約数和(自身を除く): 10233375

約数列:

[1, 3, 9, 27, 81, 83, 249, 747, 2241, 2971, 6723, 8913, 26739, 80217, 240651, 246593, 739779, 2219337, 6658011, 19974033]

約数ペア:

[(1, 19974033), (3, 6658011), (9, 2219337), (27, 739779), (81, 246593), (83, 240651), (249, 80217), (747, 26739), (2241, 8913), (2971, 6723)]