19228237

素因数分解:

$7^3\times {\mathrm{61}}^1\times {\mathrm{919}}^1$

素因数の和:1001

約数の個数: 16

約数和(自身を含む): 22816000

約数和(自身を除く): 3587763

約数列:

[1, 7, 49, 61, 343, 427, 919, 2989, 6433, 20923, 45031, 56059, 315217, 392413, 2746891, 19228237]

約数ペア:

[(1, 19228237), (7, 2746891), (49, 392413), (61, 315217), (343, 56059), (427, 45031), (919, 20923), (2989, 6433)]