18604089

素因数分解:

$3^2\times 7^1\times {\mathrm{197}}^1\times {\mathrm{1499}}^1$

素因数の和:1709

約数の個数: 24

約数和(自身を含む): 30888000

約数和(自身を除く): 12283911

約数列:

[1, 3, 7, 9, 21, 63, 197, 591, 1379, 1499, 1773, 4137, 4497, 10493, 12411, 13491, 31479, 94437, 295303, 885909, 2067121, 2657727, 6201363, 18604089]

約数ペア:

[(1, 18604089), (3, 6201363), (7, 2657727), (9, 2067121), (21, 885909), (63, 295303), (197, 94437), (591, 31479), (1379, 13491), (1499, 12411), (1773, 10493), (4137, 4497)]