18266780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{130477}}^1$

素因数の和:130493

約数の個数: 24

約数和(自身を含む): 43840608

約数和(自身を除く): 25573828

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 130477, 260954, 521908, 652385, 913339, 1304770, 1826678, 2609540, 3653356, 4566695, 9133390, 18266780]

約数ペア:

[(1, 18266780), (2, 9133390), (4, 4566695), (5, 3653356), (7, 2609540), (10, 1826678), (14, 1304770), (20, 913339), (28, 652385), (35, 521908), (70, 260954), (140, 130477)]