19553828

素因数分解:

$2^2\times 7^1\times {\mathrm{317}}^1\times {\mathrm{2203}}^1$

素因数の和:2531

約数の個数: 24

約数和(自身を含む): 39248832

約数和(自身を除く): 19695004

約数列:

[1, 2, 4, 7, 14, 28, 317, 634, 1268, 2203, 2219, 4406, 4438, 8812, 8876, 15421, 30842, 61684, 698351, 1396702, 2793404, 4888457, 9776914, 19553828]

約数ペア:

[(1, 19553828), (2, 9776914), (4, 4888457), (7, 2793404), (14, 1396702), (28, 698351), (317, 61684), (634, 30842), (1268, 15421), (2203, 8876), (2219, 8812), (4406, 4438)]