19509404

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{379}}^1\times {\mathrm{757}}^1$

素因数の和:1157

約数の個数: 24

約数和(自身を含む): 36293040

約数和(自身を除く): 16783636

約数列:

[1, 2, 4, 17, 34, 68, 379, 757, 758, 1514, 1516, 3028, 6443, 12869, 12886, 25738, 25772, 51476, 286903, 573806, 1147612, 4877351, 9754702, 19509404]

約数ペア:

[(1, 19509404), (2, 9754702), (4, 4877351), (17, 1147612), (34, 573806), (68, 286903), (379, 51476), (757, 25772), (758, 25738), (1514, 12886), (1516, 12869), (3028, 6443)]