18790856

素因数分解:

$2^3\times 7^1\times {\mathrm{307}}^1\times {\mathrm{1093}}^1$

素因数の和:1413

約数の個数: 32

約数和(自身を含む): 40434240

約数和(自身を除く): 21643384

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 307, 614, 1093, 1228, 2149, 2186, 2456, 4298, 4372, 7651, 8596, 8744, 15302, 17192, 30604, 61208, 335551, 671102, 1342204, 2348857, 2684408, 4697714, 9395428, 18790856]

約数ペア:

[(1, 18790856), (2, 9395428), (4, 4697714), (7, 2684408), (8, 2348857), (14, 1342204), (28, 671102), (56, 335551), (307, 61208), (614, 30604), (1093, 17192), (1228, 15302), (2149, 8744), (2186, 8596), (2456, 7651), (4298, 4372)]