18713896

素因数分解:

$2^3\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{701}}^1$

素因数の和:825

約数の個数: 32

約数和(自身を含む): 36391680

約数和(自身を除く): 17677784

約数列:

[1, 2, 4, 8, 47, 71, 94, 142, 188, 284, 376, 568, 701, 1402, 2804, 3337, 5608, 6674, 13348, 26696, 32947, 49771, 65894, 99542, 131788, 199084, 263576, 398168, 2339237, 4678474, 9356948, 18713896]

約数ペア:

[(1, 18713896), (2, 9356948), (4, 4678474), (8, 2339237), (47, 398168), (71, 263576), (94, 199084), (142, 131788), (188, 99542), (284, 65894), (376, 49771), (568, 32947), (701, 26696), (1402, 13348), (2804, 6674), (3337, 5608)]