16818740

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{27127}}^1$

素因数の和:27167

約数の個数: 24

約数和(自身を含む): 36460032

約数和(自身を除く): 19641292

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 27127, 54254, 108508, 135635, 271270, 542540, 840937, 1681874, 3363748, 4204685, 8409370, 16818740]

約数ペア:

[(1, 16818740), (2, 8409370), (4, 4204685), (5, 3363748), (10, 1681874), (20, 840937), (31, 542540), (62, 271270), (124, 135635), (155, 108508), (310, 54254), (620, 27127)]