18108580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{129347}}^1$

素因数の和:129363

約数の個数: 24

約数和(自身を含む): 43460928

約数和(自身を除く): 25352348

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 129347, 258694, 517388, 646735, 905429, 1293470, 1810858, 2586940, 3621716, 4527145, 9054290, 18108580]

約数ペア:

[(1, 18108580), (2, 9054290), (4, 4527145), (5, 3621716), (7, 2586940), (10, 1810858), (14, 1293470), (20, 905429), (28, 646735), (35, 517388), (70, 258694), (140, 129347)]