16638974

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{20441}}^1$

素因数の和:20491

約数の個数: 16

約数和(自身を含む): 27964656

約数和(自身を除く): 11325682

約数列:

[1, 2, 11, 22, 37, 74, 407, 814, 20441, 40882, 224851, 449702, 756317, 1512634, 8319487, 16638974]

約数ペア:

[(1, 16638974), (2, 8319487), (11, 1512634), (22, 756317), (37, 449702), (74, 224851), (407, 40882), (814, 20441)]