18735388

素因数分解:

$2^2\times 7^1\times {\mathrm{669121}}^1$

素因数の和:669132

約数の個数: 12

約数和(自身を含む): 37470832

約数和(自身を除く): 18735444

約数列:

[1, 2, 4, 7, 14, 28, 669121, 1338242, 2676484, 4683847, 9367694, 18735388]

約数ペア:

[(1, 18735388), (2, 9367694), (4, 4683847), (7, 2676484), (14, 1338242), (28, 669121)]