18491740

素因数分解:

$2^2\times 5^1\times {\mathrm{107}}^1\times {\mathrm{8641}}^1$

素因数の和:8757

約数の個数: 24

約数和(自身を含む): 39200112

約数和(自身を除く): 20708372

約数列:

[1, 2, 4, 5, 10, 20, 107, 214, 428, 535, 1070, 2140, 8641, 17282, 34564, 43205, 86410, 172820, 924587, 1849174, 3698348, 4622935, 9245870, 18491740]

約数ペア:

[(1, 18491740), (2, 9245870), (4, 4622935), (5, 3698348), (10, 1849174), (20, 924587), (107, 172820), (214, 86410), (428, 43205), (535, 34564), (1070, 17282), (2140, 8641)]