19852665

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{2663}}^1$

素因数の和:2749

約数の個数: 32

約数和(自身を含む): 36827136

約数和(自身を除く): 16974471

約数列:

[1, 3, 5, 7, 15, 21, 35, 71, 105, 213, 355, 497, 1065, 1491, 2485, 2663, 7455, 7989, 13315, 18641, 39945, 55923, 93205, 189073, 279615, 567219, 945365, 1323511, 2836095, 3970533, 6617555, 19852665]

約数ペア:

[(1, 19852665), (3, 6617555), (5, 3970533), (7, 2836095), (15, 1323511), (21, 945365), (35, 567219), (71, 279615), (105, 189073), (213, 93205), (355, 55923), (497, 39945), (1065, 18641), (1491, 13315), (2485, 7989), (2663, 7455)]