18722745

素因数分解:

$3^4\times 5^1\times {\mathrm{46229}}^1$

素因数の和:46246

約数の個数: 20

約数和(自身を含む): 33562980

約数和(自身を除く): 14840235

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 46229, 138687, 231145, 416061, 693435, 1248183, 2080305, 3744549, 6240915, 18722745]

約数ペア:

[(1, 18722745), (3, 6240915), (5, 3744549), (9, 2080305), (15, 1248183), (27, 693435), (45, 416061), (81, 231145), (135, 138687), (405, 46229)]