18355167

素因数分解:

$3^4\times {\mathrm{41}}^1\times {\mathrm{5527}}^1$

素因数の和:5580

約数の個数: 20

約数和(自身を含む): 28093296

約数和(自身を除く): 9738129

約数列:

[1, 3, 9, 27, 41, 81, 123, 369, 1107, 3321, 5527, 16581, 49743, 149229, 226607, 447687, 679821, 2039463, 6118389, 18355167]

約数ペア:

[(1, 18355167), (3, 6118389), (9, 2039463), (27, 679821), (41, 447687), (81, 226607), (123, 149229), (369, 49743), (1107, 16581), (3321, 5527)]