19993313871

素因数分解:

$3^2\times {\mathrm{4057}}^1\times {\mathrm{547567}}^1$

素因数の和:551630

約数の個数: 12

約数和(自身を含む): 28886402272

約数和(自身を除く): 8893088401

約数列:

[1, 3, 9, 4057, 12171, 36513, 547567, 1642701, 4928103, 2221479319, 6664437957, 19993313871]

約数ペア:

[(1, 19993313871), (3, 6664437957), (9, 2221479319), (4057, 4928103), (12171, 1642701), (36513, 547567)]