18030992

素因数分解:

$2^4\times 7^1\times {\mathrm{199}}^1\times {\mathrm{809}}^1$

素因数の和:1023

約数の個数: 40

約数和(自身を含む): 40176000

約数和(自身を除く): 22145008

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 199, 398, 796, 809, 1393, 1592, 1618, 2786, 3184, 3236, 5572, 5663, 6472, 11144, 11326, 12944, 22288, 22652, 45304, 90608, 160991, 321982, 643964, 1126937, 1287928, 2253874, 2575856, 4507748, 9015496, 18030992]

約数ペア:

[(1, 18030992), (2, 9015496), (4, 4507748), (7, 2575856), (8, 2253874), (14, 1287928), (16, 1126937), (28, 643964), (56, 321982), (112, 160991), (199, 90608), (398, 45304), (796, 22652), (809, 22288), (1393, 12944), (1592, 11326), (1618, 11144), (2786, 6472), (3184, 5663), (3236, 5572)]