18889370

素因数分解:

$2^1\times 5^1\times {\mathrm{167}}^1\times {\mathrm{11311}}^1$

素因数の和:11485

約数の個数: 16

約数和(自身を含む): 34207488

約数和(自身を除く): 15318118

約数列:

[1, 2, 5, 10, 167, 334, 835, 1670, 11311, 22622, 56555, 113110, 1888937, 3777874, 9444685, 18889370]

約数ペア:

[(1, 18889370), (2, 9444685), (5, 3777874), (10, 1888937), (167, 113110), (334, 56555), (835, 22622), (1670, 11311)]