18165080

素因数分解:

$2^3\times 5^1\times {\mathrm{103}}^1\times {\mathrm{4409}}^1$

素因数の和:4523

約数の個数: 32

約数和(自身を含む): 41277600

約数和(自身を除く): 23112520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 103, 206, 412, 515, 824, 1030, 2060, 4120, 4409, 8818, 17636, 22045, 35272, 44090, 88180, 176360, 454127, 908254, 1816508, 2270635, 3633016, 4541270, 9082540, 18165080]

約数ペア:

[(1, 18165080), (2, 9082540), (4, 4541270), (5, 3633016), (8, 2270635), (10, 1816508), (20, 908254), (40, 454127), (103, 176360), (206, 88180), (412, 44090), (515, 35272), (824, 22045), (1030, 17636), (2060, 8818), (4120, 4409)]