9999890

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{52631}}^1$

素因数の和:52657

約数の個数: 16

約数和(自身を含む): 18947520

約数和(自身を除く): 8947630

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 52631, 105262, 263155, 526310, 999989, 1999978, 4999945, 9999890]

約数ペア:

[(1, 9999890), (2, 4999945), (5, 1999978), (10, 999989), (19, 526310), (38, 263155), (95, 105262), (190, 52631)]