18605960

素因数分解:

$2^3\times 5^1\times {\mathrm{461}}^1\times {\mathrm{1009}}^1$

素因数の和:1481

約数の個数: 32

約数和(自身を含む): 41995800

約数和(自身を除く): 23389840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 461, 922, 1009, 1844, 2018, 2305, 3688, 4036, 4610, 5045, 8072, 9220, 10090, 18440, 20180, 40360, 465149, 930298, 1860596, 2325745, 3721192, 4651490, 9302980, 18605960]

約数ペア:

[(1, 18605960), (2, 9302980), (4, 4651490), (5, 3721192), (8, 2325745), (10, 1860596), (20, 930298), (40, 465149), (461, 40360), (922, 20180), (1009, 18440), (1844, 10090), (2018, 9220), (2305, 8072), (3688, 5045), (4036, 4610)]