18660051

素因数分解:

$3^4\times {\mathrm{107}}^1\times {\mathrm{2153}}^1$

素因数の和:2272

約数の個数: 20

約数和(自身を含む): 28148472

約数和(自身を除く): 9488421

約数列:

[1, 3, 9, 27, 81, 107, 321, 963, 2153, 2889, 6459, 8667, 19377, 58131, 174393, 230371, 691113, 2073339, 6220017, 18660051]

約数ペア:

[(1, 18660051), (3, 6220017), (9, 2073339), (27, 691113), (81, 230371), (107, 174393), (321, 58131), (963, 19377), (2153, 8667), (2889, 6459)]