18047740

素因数分解:

$2^2\times 5^1\times {\mathrm{463}}^1\times {\mathrm{1949}}^1$

素因数の和:2421

約数の個数: 24

約数和(自身を含む): 38001600

約数和(自身を除く): 19953860

約数列:

[1, 2, 4, 5, 10, 20, 463, 926, 1852, 1949, 2315, 3898, 4630, 7796, 9260, 9745, 19490, 38980, 902387, 1804774, 3609548, 4511935, 9023870, 18047740]

約数ペア:

[(1, 18047740), (2, 9023870), (4, 4511935), (5, 3609548), (10, 1804774), (20, 902387), (463, 38980), (926, 19490), (1852, 9745), (1949, 9260), (2315, 7796), (3898, 4630)]