18877432887

素因数分解:

$3^5\times {\mathrm{53}}^1\times {\mathrm{599}}^1\times {\mathrm{2447}}^1$

素因数の和:3114

約数の個数: 48

約数和(自身を含む): 28870732800

約数和(自身を除く): 9993299913

約数列:

[1, 3, 9, 27, 53, 81, 159, 243, 477, 599, 1431, 1797, 2447, 4293, 5391, 7341, 12879, 16173, 22023, 31747, 48519, 66069, 95241, 129691, 145557, 198207, 285723, 389073, 594621, 857169, 1167219, 1465753, 2571507, 3501657, 4397259, 7714521, 10504971, 13191777, 31514913, 39575331, 77684909, 118725993, 233054727, 356177979, 699164181, 2097492543, 6292477629, 18877432887]

約数ペア:

[(1, 18877432887), (3, 6292477629), (9, 2097492543), (27, 699164181), (53, 356177979), (81, 233054727), (159, 118725993), (243, 77684909), (477, 39575331), (599, 31514913), (1431, 13191777), (1797, 10504971), (2447, 7714521), (4293, 4397259), (5391, 3501657), (7341, 2571507), (12879, 1465753), (16173, 1167219), (22023, 857169), (31747, 594621), (48519, 389073), (66069, 285723), (95241, 198207), (129691, 145557)]