19889216

素因数分解:

$2^6\times {\mathrm{127}}^1\times {\mathrm{2447}}^1$

素因数の和:2586

約数の個数: 28

約数和(自身を含む): 39794688

約数和(自身を除く): 19905472

約数列:

[1, 2, 4, 8, 16, 32, 64, 127, 254, 508, 1016, 2032, 2447, 4064, 4894, 8128, 9788, 19576, 39152, 78304, 156608, 310769, 621538, 1243076, 2486152, 4972304, 9944608, 19889216]

約数ペア:

[(1, 19889216), (2, 9944608), (4, 4972304), (8, 2486152), (16, 1243076), (32, 621538), (64, 310769), (127, 156608), (254, 78304), (508, 39152), (1016, 19576), (2032, 9788), (2447, 8128), (4064, 4894)]