18557404

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{272903}}^1$

素因数の和:272924

約数の個数: 12

約数和(自身を含む): 34385904

約数和(自身を除く): 15828500

約数列:

[1, 2, 4, 17, 34, 68, 272903, 545806, 1091612, 4639351, 9278702, 18557404]

約数ペア:

[(1, 18557404), (2, 9278702), (4, 4639351), (17, 1091612), (34, 545806), (68, 272903)]