17939493

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{263}}^1$

素因数の和:346

約数の個数: 48

約数和(自身を含む): 31135104

約数和(自身を除く): 13195611

約数列:

[1, 3, 9, 11, 13, 33, 39, 53, 99, 117, 143, 159, 263, 429, 477, 583, 689, 789, 1287, 1749, 2067, 2367, 2893, 3419, 5247, 6201, 7579, 8679, 10257, 13939, 22737, 26037, 30771, 37609, 41817, 68211, 112827, 125451, 153329, 181207, 338481, 459987, 543621, 1379961, 1630863, 1993277, 5979831, 17939493]

約数ペア:

[(1, 17939493), (3, 5979831), (9, 1993277), (11, 1630863), (13, 1379961), (33, 543621), (39, 459987), (53, 338481), (99, 181207), (117, 153329), (143, 125451), (159, 112827), (263, 68211), (429, 41817), (477, 37609), (583, 30771), (689, 26037), (789, 22737), (1287, 13939), (1749, 10257), (2067, 8679), (2367, 7579), (2893, 6201), (3419, 5247)]