18132020

素因数分解:

$2^2\times 5^1\times {\mathrm{906601}}^1$

素因数の和:906610

約数の個数: 12

約数和(自身を含む): 38077284

約数和(自身を除く): 19945264

約数列:

[1, 2, 4, 5, 10, 20, 906601, 1813202, 3626404, 4533005, 9066010, 18132020]

約数ペア:

[(1, 18132020), (2, 9066010), (4, 4533005), (5, 3626404), (10, 1813202), (20, 906601)]