18722943

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{151}}^1\times {\mathrm{599}}^1$

素因数の和:779

約数の個数: 24

約数和(自身を含む): 28454400

約数和(自身を除く): 9731457

約数列:

[1, 3, 9, 23, 69, 151, 207, 453, 599, 1359, 1797, 3473, 5391, 10419, 13777, 31257, 41331, 90449, 123993, 271347, 814041, 2080327, 6240981, 18722943]

約数ペア:

[(1, 18722943), (3, 6240981), (9, 2080327), (23, 814041), (69, 271347), (151, 123993), (207, 90449), (453, 41331), (599, 31257), (1359, 13777), (1797, 10419), (3473, 5391)]