19145380

素因数分解:

$2^2\times 5^1\times {\mathrm{857}}^1\times {\mathrm{1117}}^1$

素因数の和:1983

約数の個数: 24

約数和(自身を含む): 40288248

約数和(自身を除く): 21142868

約数列:

[1, 2, 4, 5, 10, 20, 857, 1117, 1714, 2234, 3428, 4285, 4468, 5585, 8570, 11170, 17140, 22340, 957269, 1914538, 3829076, 4786345, 9572690, 19145380]

約数ペア:

[(1, 19145380), (2, 9572690), (4, 4786345), (5, 3829076), (10, 1914538), (20, 957269), (857, 22340), (1117, 17140), (1714, 11170), (2234, 8570), (3428, 5585), (4285, 4468)]