18943353

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{359}}^1$

素因数の和:430

約数の個数: 48

約数和(自身を含む): 33022080

約数和(自身を除く): 14078727

約数列:

[1, 3, 9, 11, 13, 33, 39, 41, 99, 117, 123, 143, 359, 369, 429, 451, 533, 1077, 1287, 1353, 1599, 3231, 3949, 4059, 4667, 4797, 5863, 11847, 14001, 14719, 17589, 35541, 42003, 44157, 51337, 52767, 132471, 154011, 161909, 191347, 462033, 485727, 574041, 1457181, 1722123, 2104817, 6314451, 18943353]

約数ペア:

[(1, 18943353), (3, 6314451), (9, 2104817), (11, 1722123), (13, 1457181), (33, 574041), (39, 485727), (41, 462033), (99, 191347), (117, 161909), (123, 154011), (143, 132471), (359, 52767), (369, 51337), (429, 44157), (451, 42003), (533, 35541), (1077, 17589), (1287, 14719), (1353, 14001), (1599, 11847), (3231, 5863), (3949, 4797), (4059, 4667)]