17986437

素因数分解:

$3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{12413}}^1$

素因数の和:12449

約数の個数: 24

約数和(自身を含む): 30985344

約数和(自身を除く): 12998907

約数列:

[1, 3, 7, 9, 21, 23, 63, 69, 161, 207, 483, 1449, 12413, 37239, 86891, 111717, 260673, 285499, 782019, 856497, 1998493, 2569491, 5995479, 17986437]

約数ペア:

[(1, 17986437), (3, 5995479), (7, 2569491), (9, 1998493), (21, 856497), (23, 782019), (63, 285499), (69, 260673), (161, 111717), (207, 86891), (483, 37239), (1449, 12413)]