19002087

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{1259}}^1$

素因数の和:1324

約数の個数: 32

約数和(自身を含む): 31046400

約数和(自身を除く): 12044313

約数列:

[1, 3, 9, 13, 27, 39, 43, 117, 129, 351, 387, 559, 1161, 1259, 1677, 3777, 5031, 11331, 15093, 16367, 33993, 49101, 54137, 147303, 162411, 441909, 487233, 703781, 1461699, 2111343, 6334029, 19002087]

約数ペア:

[(1, 19002087), (3, 6334029), (9, 2111343), (13, 1461699), (27, 703781), (39, 487233), (43, 441909), (117, 162411), (129, 147303), (351, 54137), (387, 49101), (559, 33993), (1161, 16367), (1259, 15093), (1677, 11331), (3777, 5031)]