18456740

素因数分解:

$2^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{9137}}^1$

素因数の和:9247

約数の個数: 24

約数和(自身を含む): 39147192

約数和(自身を除く): 20690452

約数列:

[1, 2, 4, 5, 10, 20, 101, 202, 404, 505, 1010, 2020, 9137, 18274, 36548, 45685, 91370, 182740, 922837, 1845674, 3691348, 4614185, 9228370, 18456740]

約数ペア:

[(1, 18456740), (2, 9228370), (4, 4614185), (5, 3691348), (10, 1845674), (20, 922837), (101, 182740), (202, 91370), (404, 45685), (505, 36548), (1010, 18274), (2020, 9137)]