18820010

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{171091}}^1$

素因数の和:171109

約数の個数: 16

約数和(自身を含む): 36955872

約数和(自身を除く): 18135862

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 171091, 342182, 855455, 1710910, 1882001, 3764002, 9410005, 18820010]

約数ペア:

[(1, 18820010), (2, 9410005), (5, 3764002), (10, 1882001), (11, 1710910), (22, 855455), (55, 342182), (110, 171091)]