19403288

素因数分解:

$2^3\times {\mathrm{139}}^1\times {\mathrm{17449}}^1$

素因数の和:17594

約数の個数: 16

約数和(自身を含む): 36645000

約数和(自身を除く): 17241712

約数列:

[1, 2, 4, 8, 139, 278, 556, 1112, 17449, 34898, 69796, 139592, 2425411, 4850822, 9701644, 19403288]

約数ペア:

[(1, 19403288), (2, 9701644), (4, 4850822), (8, 2425411), (139, 139592), (278, 69796), (556, 34898), (1112, 17449)]