19902376

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{11257}}^1$

素因数の和:11293

約数の個数: 32

約数和(自身を含む): 42555240

約数和(自身を除く): 22652864

約数列:

[1, 2, 4, 8, 13, 17, 26, 34, 52, 68, 104, 136, 221, 442, 884, 1768, 11257, 22514, 45028, 90056, 146341, 191369, 292682, 382738, 585364, 765476, 1170728, 1530952, 2487797, 4975594, 9951188, 19902376]

約数ペア:

[(1, 19902376), (2, 9951188), (4, 4975594), (8, 2487797), (13, 1530952), (17, 1170728), (26, 765476), (34, 585364), (52, 382738), (68, 292682), (104, 191369), (136, 146341), (221, 90056), (442, 45028), (884, 22514), (1768, 11257)]