18707436

素因数分解:

$2^2\times 3^4\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{181}}^1$

素因数の和:237

約数の個数: 120

約数和(自身を含む): 55495440

約数和(自身を除く): 36788004

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 27, 29, 33, 36, 44, 54, 58, 66, 81, 87, 99, 108, 116, 132, 162, 174, 181, 198, 261, 297, 319, 324, 348, 362, 396, 522, 543, 594, 638, 724, 783, 891, 957, 1044, 1086, 1188, 1276, 1566, 1629, 1782, 1914, 1991, 2172, 2349, 2871, 3132, 3258, 3564, 3828, 3982, 4698, 4887, 5249, 5742, 5973, 6516, 7964, 8613, 9396, 9774, 10498, 11484, 11946, 14661, 15747, 17226, 17919, 19548, 20996, 23892, 25839, 29322, 31494, 34452, 35838, 47241, 51678, 53757, 57739, 58644, 62988, 71676, 94482, 103356, 107514, 115478, 141723, 161271, 173217, 188964, 215028, 230956, 283446, 322542, 346434, 425169, 519651, 566892, 645084, 692868, 850338, 1039302, 1558953, 1700676, 2078604, 3117906, 4676859, 6235812, 9353718, 18707436]

約数ペア:

[(1, 18707436), (2, 9353718), (3, 6235812), (4, 4676859), (6, 3117906), (9, 2078604), (11, 1700676), (12, 1558953), (18, 1039302), (22, 850338), (27, 692868), (29, 645084), (33, 566892), (36, 519651), (44, 425169), (54, 346434), (58, 322542), (66, 283446), (81, 230956), (87, 215028), (99, 188964), (108, 173217), (116, 161271), (132, 141723), (162, 115478), (174, 107514), (181, 103356), (198, 94482), (261, 71676), (297, 62988), (319, 58644), (324, 57739), (348, 53757), (362, 51678), (396, 47241), (522, 35838), (543, 34452), (594, 31494), (638, 29322), (724, 25839), (783, 23892), (891, 20996), (957, 19548), (1044, 17919), (1086, 17226), (1188, 15747), (1276, 14661), (1566, 11946), (1629, 11484), (1782, 10498), (1914, 9774), (1991, 9396), (2172, 8613), (2349, 7964), (2871, 6516), (3132, 5973), (3258, 5742), (3564, 5249), (3828, 4887), (3982, 4698)]