18728073

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^2\times {\mathrm{1759}}^1$

素因数の和:1798

約数の個数: 36

約数和(自身を含む): 33496320

約数和(自身を除く): 14768247

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 91, 117, 169, 273, 507, 819, 1183, 1521, 1759, 3549, 5277, 10647, 12313, 15831, 22867, 36939, 68601, 110817, 160069, 205803, 297271, 480207, 891813, 1440621, 2080897, 2675439, 6242691, 18728073]

約数ペア:

[(1, 18728073), (3, 6242691), (7, 2675439), (9, 2080897), (13, 1440621), (21, 891813), (39, 480207), (63, 297271), (91, 205803), (117, 160069), (169, 110817), (273, 68601), (507, 36939), (819, 22867), (1183, 15831), (1521, 12313), (1759, 10647), (3549, 5277)]