19026657

素因数分解:

$3^5\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{317}}^1$

素因数の和:364

約数の個数: 48

約数和(自身を含む): 32410560

約数和(自身を除く): 13383903

約数列:

[1, 3, 9, 13, 19, 27, 39, 57, 81, 117, 171, 243, 247, 317, 351, 513, 741, 951, 1053, 1539, 2223, 2853, 3159, 4121, 4617, 6023, 6669, 8559, 12363, 18069, 20007, 25677, 37089, 54207, 60021, 77031, 78299, 111267, 162621, 234897, 333801, 487863, 704691, 1001403, 1463589, 2114073, 6342219, 19026657]

約数ペア:

[(1, 19026657), (3, 6342219), (9, 2114073), (13, 1463589), (19, 1001403), (27, 704691), (39, 487863), (57, 333801), (81, 234897), (117, 162621), (171, 111267), (243, 78299), (247, 77031), (317, 60021), (351, 54207), (513, 37089), (741, 25677), (951, 20007), (1053, 18069), (1539, 12363), (2223, 8559), (2853, 6669), (3159, 6023), (4121, 4617)]