18387972

素因数分解:

$2^2\times 3^4\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{103}}^1$

素因数の和:167

約数の個数: 120

約数和(自身を含む): 52852800

約数和(自身を除く): 34464828

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 27, 29, 36, 38, 54, 57, 58, 76, 81, 87, 103, 108, 114, 116, 162, 171, 174, 206, 228, 261, 309, 324, 342, 348, 412, 513, 522, 551, 618, 684, 783, 927, 1026, 1044, 1102, 1236, 1539, 1566, 1653, 1854, 1957, 2052, 2204, 2349, 2781, 2987, 3078, 3132, 3306, 3708, 3914, 4698, 4959, 5562, 5871, 5974, 6156, 6612, 7828, 8343, 8961, 9396, 9918, 11124, 11742, 11948, 14877, 16686, 17613, 17922, 19836, 23484, 26883, 29754, 33372, 35226, 35844, 44631, 52839, 53766, 56753, 59508, 70452, 80649, 89262, 105678, 107532, 113506, 158517, 161298, 170259, 178524, 211356, 227012, 241947, 317034, 322596, 340518, 483894, 510777, 634068, 681036, 967788, 1021554, 1532331, 2043108, 3064662, 4596993, 6129324, 9193986, 18387972]

約数ペア:

[(1, 18387972), (2, 9193986), (3, 6129324), (4, 4596993), (6, 3064662), (9, 2043108), (12, 1532331), (18, 1021554), (19, 967788), (27, 681036), (29, 634068), (36, 510777), (38, 483894), (54, 340518), (57, 322596), (58, 317034), (76, 241947), (81, 227012), (87, 211356), (103, 178524), (108, 170259), (114, 161298), (116, 158517), (162, 113506), (171, 107532), (174, 105678), (206, 89262), (228, 80649), (261, 70452), (309, 59508), (324, 56753), (342, 53766), (348, 52839), (412, 44631), (513, 35844), (522, 35226), (551, 33372), (618, 29754), (684, 26883), (783, 23484), (927, 19836), (1026, 17922), (1044, 17613), (1102, 16686), (1236, 14877), (1539, 11948), (1566, 11742), (1653, 11124), (1854, 9918), (1957, 9396), (2052, 8961), (2204, 8343), (2349, 7828), (2781, 6612), (2987, 6156), (3078, 5974), (3132, 5871), (3306, 5562), (3708, 4959), (3914, 4698)]