18259090

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{42463}}^1$

素因数の和:42513

約数の個数: 16

約数和(自身を含む): 33631488

約数和(自身を除く): 15372398

約数列:

[1, 2, 5, 10, 43, 86, 215, 430, 42463, 84926, 212315, 424630, 1825909, 3651818, 9129545, 18259090]

約数ペア:

[(1, 18259090), (2, 9129545), (5, 3651818), (10, 1825909), (43, 424630), (86, 212315), (215, 84926), (430, 42463)]