19953891

素因数分解:

$3^3\times {\mathrm{587}}^1\times {\mathrm{1259}}^1$

素因数の和:1855

約数の個数: 16

約数和(自身を含む): 29635200

約数和(自身を除く): 9681309

約数列:

[1, 3, 9, 27, 587, 1259, 1761, 3777, 5283, 11331, 15849, 33993, 739033, 2217099, 6651297, 19953891]

約数ペア:

[(1, 19953891), (3, 6651297), (9, 2217099), (27, 739033), (587, 33993), (1259, 15849), (1761, 11331), (3777, 5283)]