18715864

素因数分解:

$2^3\times {\mathrm{443}}^1\times {\mathrm{5281}}^1$

素因数の和:5730

約数の個数: 16

約数和(自身を含む): 35178120

約数和(自身を除く): 16462256

約数列:

[1, 2, 4, 8, 443, 886, 1772, 3544, 5281, 10562, 21124, 42248, 2339483, 4678966, 9357932, 18715864]

約数ペア:

[(1, 18715864), (2, 9357932), (4, 4678966), (8, 2339483), (443, 42248), (886, 21124), (1772, 10562), (3544, 5281)]