18161090

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{25579}}^1$

素因数の和:25657

約数の個数: 16

約数和(自身を含む): 33151680

約数和(自身を除く): 14990590

約数列:

[1, 2, 5, 10, 71, 142, 355, 710, 25579, 51158, 127895, 255790, 1816109, 3632218, 9080545, 18161090]

約数ペア:

[(1, 18161090), (2, 9080545), (5, 3632218), (10, 1816109), (71, 255790), (142, 127895), (355, 51158), (710, 25579)]