18735624

素因数分解:

$2^3\times 3^4\times {\mathrm{29}}^1\times {\mathrm{997}}^1$

素因数の和:1044

約数の個数: 80

約数和(自身を含む): 54341100

約数和(自身を除く): 35605476

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, 997, 1044, 1566, 1994, 2088, 2349, 2991, 3132, 3988, 4698, 5982, 6264, 7976, 8973, 9396, 11964, 17946, 18792, 23928, 26919, 28913, 35892, 53838, 57826, 71784, 80757, 86739, 107676, 115652, 161514, 173478, 215352, 231304, 260217, 323028, 346956, 520434, 646056, 693912, 780651, 1040868, 1561302, 2081736, 2341953, 3122604, 4683906, 6245208, 9367812, 18735624]

約数ペア:

[(1, 18735624), (2, 9367812), (3, 6245208), (4, 4683906), (6, 3122604), (8, 2341953), (9, 2081736), (12, 1561302), (18, 1040868), (24, 780651), (27, 693912), (29, 646056), (36, 520434), (54, 346956), (58, 323028), (72, 260217), (81, 231304), (87, 215352), (108, 173478), (116, 161514), (162, 115652), (174, 107676), (216, 86739), (232, 80757), (261, 71784), (324, 57826), (348, 53838), (522, 35892), (648, 28913), (696, 26919), (783, 23928), (997, 18792), (1044, 17946), (1566, 11964), (1994, 9396), (2088, 8973), (2349, 7976), (2991, 6264), (3132, 5982), (3988, 4698)]