18590168

素因数分解:

$2^3\times {\mathrm{109}}^1\times {\mathrm{21319}}^1$

素因数の和:21434

約数の個数: 16

約数和(自身を含む): 35178000

約数和(自身を除く): 16587832

約数列:

[1, 2, 4, 8, 109, 218, 436, 872, 21319, 42638, 85276, 170552, 2323771, 4647542, 9295084, 18590168]

約数ペア:

[(1, 18590168), (2, 9295084), (4, 4647542), (8, 2323771), (109, 170552), (218, 85276), (436, 42638), (872, 21319)]