19788892784

素因数分解:

$2^4\times {\mathrm{47}}^1\times {\mathrm{26315017}}^1$

素因数の和:26315072

約数の個数: 20

約数和(自身を含む): 39156746784

約数和(自身を除く): 19367854000

約数列:

[1, 2, 4, 8, 16, 47, 94, 188, 376, 752, 26315017, 52630034, 105260068, 210520136, 421040272, 1236805799, 2473611598, 4947223196, 9894446392, 19788892784]

約数ペア:

[(1, 19788892784), (2, 9894446392), (4, 4947223196), (8, 2473611598), (16, 1236805799), (47, 421040272), (94, 210520136), (188, 105260068), (376, 52630034), (752, 26315017)]