18243580

素因数分解:

$2^2\times 5^1\times {\mathrm{269}}^1\times {\mathrm{3391}}^1$

素因数の和:3669

約数の個数: 24

約数和(自身を含む): 38465280

約数和(自身を除く): 20221700

約数列:

[1, 2, 4, 5, 10, 20, 269, 538, 1076, 1345, 2690, 3391, 5380, 6782, 13564, 16955, 33910, 67820, 912179, 1824358, 3648716, 4560895, 9121790, 18243580]

約数ペア:

[(1, 18243580), (2, 9121790), (4, 4560895), (5, 3648716), (10, 1824358), (20, 912179), (269, 67820), (538, 33910), (1076, 16955), (1345, 13564), (2690, 6782), (3391, 5380)]