18738180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{5479}}^1$

素因数の和:5513

約数の個数: 72

約数和(自身を含む): 59841600

約数和(自身を除く): 41103420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 76, 90, 95, 114, 171, 180, 190, 228, 285, 342, 380, 570, 684, 855, 1140, 1710, 3420, 5479, 10958, 16437, 21916, 27395, 32874, 49311, 54790, 65748, 82185, 98622, 104101, 109580, 164370, 197244, 208202, 246555, 312303, 328740, 416404, 493110, 520505, 624606, 936909, 986220, 1041010, 1249212, 1561515, 1873818, 2082020, 3123030, 3747636, 4684545, 6246060, 9369090, 18738180]

約数ペア:

[(1, 18738180), (2, 9369090), (3, 6246060), (4, 4684545), (5, 3747636), (6, 3123030), (9, 2082020), (10, 1873818), (12, 1561515), (15, 1249212), (18, 1041010), (19, 986220), (20, 936909), (30, 624606), (36, 520505), (38, 493110), (45, 416404), (57, 328740), (60, 312303), (76, 246555), (90, 208202), (95, 197244), (114, 164370), (171, 109580), (180, 104101), (190, 98622), (228, 82185), (285, 65748), (342, 54790), (380, 49311), (570, 32874), (684, 27395), (855, 21916), (1140, 16437), (1710, 10958), (3420, 5479)]