18822216

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{199}}^1\times {\mathrm{563}}^1$

素因数の和:778

約数の個数: 64

約数和(自身を含む): 54144000

約数和(自身を除く): 35321784

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 168, 199, 398, 563, 597, 796, 1126, 1194, 1393, 1592, 1689, 2252, 2388, 2786, 3378, 3941, 4179, 4504, 4776, 5572, 6756, 7882, 8358, 11144, 11823, 13512, 15764, 16716, 23646, 31528, 33432, 47292, 94584, 112037, 224074, 336111, 448148, 672222, 784259, 896296, 1344444, 1568518, 2352777, 2688888, 3137036, 4705554, 6274072, 9411108, 18822216]

約数ペア:

[(1, 18822216), (2, 9411108), (3, 6274072), (4, 4705554), (6, 3137036), (7, 2688888), (8, 2352777), (12, 1568518), (14, 1344444), (21, 896296), (24, 784259), (28, 672222), (42, 448148), (56, 336111), (84, 224074), (168, 112037), (199, 94584), (398, 47292), (563, 33432), (597, 31528), (796, 23646), (1126, 16716), (1194, 15764), (1393, 13512), (1592, 11823), (1689, 11144), (2252, 8358), (2388, 7882), (2786, 6756), (3378, 5572), (3941, 4776), (4179, 4504)]