16947842

素因数分解:

$2^1\times {\mathrm{41}}^2\times {\mathrm{71}}^2$

素因数の和:226

約数の個数: 18

約数和(自身を含む): 26429097

約数和(自身を除く): 9481255

約数列:

[1, 2, 41, 71, 82, 142, 1681, 2911, 3362, 5041, 5822, 10082, 119351, 206681, 238702, 413362, 8473921, 16947842]

約数ペア:

[(1, 16947842), (2, 8473921), (41, 413362), (71, 238702), (82, 206681), (142, 119351), (1681, 10082), (2911, 5822), (3362, 5041)]