18997320

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{103}}^1$

素因数の和:199

約数の個数: 128

約数和(自身を含む): 60652800

約数和(自身を除く): 41655480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 29, 30, 40, 53, 58, 60, 87, 103, 106, 116, 120, 145, 159, 174, 206, 212, 232, 265, 290, 309, 318, 348, 412, 424, 435, 515, 530, 580, 618, 636, 696, 795, 824, 870, 1030, 1060, 1160, 1236, 1272, 1537, 1545, 1590, 1740, 2060, 2120, 2472, 2987, 3074, 3090, 3180, 3480, 4120, 4611, 5459, 5974, 6148, 6180, 6360, 7685, 8961, 9222, 10918, 11948, 12296, 12360, 14935, 15370, 16377, 17922, 18444, 21836, 23055, 23896, 27295, 29870, 30740, 32754, 35844, 36888, 43672, 44805, 46110, 54590, 59740, 61480, 65508, 71688, 81885, 89610, 92220, 109180, 119480, 131016, 158311, 163770, 179220, 184440, 218360, 316622, 327540, 358440, 474933, 633244, 655080, 791555, 949866, 1266488, 1583110, 1899732, 2374665, 3166220, 3799464, 4749330, 6332440, 9498660, 18997320]

約数ペア:

[(1, 18997320), (2, 9498660), (3, 6332440), (4, 4749330), (5, 3799464), (6, 3166220), (8, 2374665), (10, 1899732), (12, 1583110), (15, 1266488), (20, 949866), (24, 791555), (29, 655080), (30, 633244), (40, 474933), (53, 358440), (58, 327540), (60, 316622), (87, 218360), (103, 184440), (106, 179220), (116, 163770), (120, 158311), (145, 131016), (159, 119480), (174, 109180), (206, 92220), (212, 89610), (232, 81885), (265, 71688), (290, 65508), (309, 61480), (318, 59740), (348, 54590), (412, 46110), (424, 44805), (435, 43672), (515, 36888), (530, 35844), (580, 32754), (618, 30740), (636, 29870), (696, 27295), (795, 23896), (824, 23055), (870, 21836), (1030, 18444), (1060, 17922), (1160, 16377), (1236, 15370), (1272, 14935), (1537, 12360), (1545, 12296), (1590, 11948), (1740, 10918), (2060, 9222), (2120, 8961), (2472, 7685), (2987, 6360), (3074, 6180), (3090, 6148), (3180, 5974), (3480, 5459), (4120, 4611)]