18622872

素因数分解:

$2^3\times 3^4\times {\mathrm{29}}^1\times {\mathrm{991}}^1$

素因数の和:1038

約数の個数: 80

約数和(自身を含む): 54014400

約数和(自身を除く): 35391528

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 29, 36, 54, 58, 72, 81, 87, 108, 116, 162, 174, 216, 232, 261, 324, 348, 522, 648, 696, 783, 991, 1044, 1566, 1982, 2088, 2349, 2973, 3132, 3964, 4698, 5946, 6264, 7928, 8919, 9396, 11892, 17838, 18792, 23784, 26757, 28739, 35676, 53514, 57478, 71352, 80271, 86217, 107028, 114956, 160542, 172434, 214056, 229912, 258651, 321084, 344868, 517302, 642168, 689736, 775953, 1034604, 1551906, 2069208, 2327859, 3103812, 4655718, 6207624, 9311436, 18622872]

約数ペア:

[(1, 18622872), (2, 9311436), (3, 6207624), (4, 4655718), (6, 3103812), (8, 2327859), (9, 2069208), (12, 1551906), (18, 1034604), (24, 775953), (27, 689736), (29, 642168), (36, 517302), (54, 344868), (58, 321084), (72, 258651), (81, 229912), (87, 214056), (108, 172434), (116, 160542), (162, 114956), (174, 107028), (216, 86217), (232, 80271), (261, 71352), (324, 57478), (348, 53514), (522, 35676), (648, 28739), (696, 26757), (783, 23784), (991, 18792), (1044, 17838), (1566, 11892), (1982, 9396), (2088, 8919), (2349, 7928), (2973, 6264), (3132, 5946), (3964, 4698)]