18502029

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1$

素因数の和:115

約数の個数: 96

約数和(自身を含む): 36691200

約数和(自身を除く): 18189171

約数列:

[1, 3, 7, 9, 13, 19, 21, 29, 39, 41, 57, 63, 87, 91, 117, 123, 133, 171, 203, 247, 261, 273, 287, 369, 377, 399, 533, 551, 609, 741, 779, 819, 861, 1131, 1189, 1197, 1599, 1653, 1729, 1827, 2223, 2337, 2583, 2639, 3393, 3567, 3731, 3857, 4797, 4959, 5187, 5453, 7011, 7163, 7917, 8323, 10127, 10701, 11193, 11571, 15457, 15561, 16359, 21489, 22591, 23751, 24969, 30381, 33579, 34713, 46371, 49077, 50141, 64467, 67773, 70889, 74907, 91143, 108199, 139113, 150423, 158137, 203319, 212667, 293683, 324597, 451269, 474411, 638001, 881049, 973791, 1423233, 2055781, 2643147, 6167343, 18502029]

約数ペア:

[(1, 18502029), (3, 6167343), (7, 2643147), (9, 2055781), (13, 1423233), (19, 973791), (21, 881049), (29, 638001), (39, 474411), (41, 451269), (57, 324597), (63, 293683), (87, 212667), (91, 203319), (117, 158137), (123, 150423), (133, 139113), (171, 108199), (203, 91143), (247, 74907), (261, 70889), (273, 67773), (287, 64467), (369, 50141), (377, 49077), (399, 46371), (533, 34713), (551, 33579), (609, 30381), (741, 24969), (779, 23751), (819, 22591), (861, 21489), (1131, 16359), (1189, 15561), (1197, 15457), (1599, 11571), (1653, 11193), (1729, 10701), (1827, 10127), (2223, 8323), (2337, 7917), (2583, 7163), (2639, 7011), (3393, 5453), (3567, 5187), (3731, 4959), (3857, 4797)]