18787060

素因数分解:

$2^2\times 5^1\times {\mathrm{107}}^1\times {\mathrm{8779}}^1$

素因数の和:8895

約数の個数: 24

約数和(自身を含む): 39826080

約数和(自身を除く): 21039020

約数列:

[1, 2, 4, 5, 10, 20, 107, 214, 428, 535, 1070, 2140, 8779, 17558, 35116, 43895, 87790, 175580, 939353, 1878706, 3757412, 4696765, 9393530, 18787060]

約数ペア:

[(1, 18787060), (2, 9393530), (4, 4696765), (5, 3757412), (10, 1878706), (20, 939353), (107, 175580), (214, 87790), (428, 43895), (535, 35116), (1070, 17558), (2140, 8779)]