19811727

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{5839}}^1$

素因数の和:5887

約数の個数: 24

約数和(自身を含む): 31886400

約数和(自身を除く): 12074673

約数列:

[1, 3, 9, 13, 29, 39, 87, 117, 261, 377, 1131, 3393, 5839, 17517, 52551, 75907, 169331, 227721, 507993, 683163, 1523979, 2201303, 6603909, 19811727]

約数ペア:

[(1, 19811727), (3, 6603909), (9, 2201303), (13, 1523979), (29, 683163), (39, 507993), (87, 227721), (117, 169331), (261, 75907), (377, 52551), (1131, 17517), (3393, 5839)]