18335889

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{1583}}^1$

素因数の和:1619

約数の個数: 40

約数和(自身を含む): 32199552

約数和(自身を除く): 13863663

約数列:

[1, 3, 9, 11, 13, 27, 33, 39, 81, 99, 117, 143, 297, 351, 429, 891, 1053, 1287, 1583, 3861, 4749, 11583, 14247, 17413, 20579, 42741, 52239, 61737, 128223, 156717, 185211, 226369, 470151, 555633, 679107, 1410453, 1666899, 2037321, 6111963, 18335889]

約数ペア:

[(1, 18335889), (3, 6111963), (9, 2037321), (11, 1666899), (13, 1410453), (27, 679107), (33, 555633), (39, 470151), (81, 226369), (99, 185211), (117, 156717), (143, 128223), (297, 61737), (351, 52239), (429, 42741), (891, 20579), (1053, 17413), (1287, 14247), (1583, 11583), (3861, 4749)]