19990074

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{227}}^1\times {\mathrm{1129}}^1$

素因数の和:1374

約数の個数: 32

約数和(自身を含む): 43283520

約数和(自身を除く): 23293446

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 227, 454, 681, 1129, 1362, 2258, 2951, 3387, 5902, 6774, 8853, 14677, 17706, 29354, 44031, 88062, 256283, 512566, 768849, 1537698, 3331679, 6663358, 9995037, 19990074]

約数ペア:

[(1, 19990074), (2, 9995037), (3, 6663358), (6, 3331679), (13, 1537698), (26, 768849), (39, 512566), (78, 256283), (227, 88062), (454, 44031), (681, 29354), (1129, 17706), (1362, 14677), (2258, 8853), (2951, 6774), (3387, 5902)]