18166885

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{2411}}^1$

素因数の和:2564

約数の個数: 16

約数和(自身を含む): 23965632

約数和(自身を除く): 5798747

約数列:

[1, 5, 11, 55, 137, 685, 1507, 2411, 7535, 12055, 26521, 132605, 330307, 1651535, 3633377, 18166885]

約数ペア:

[(1, 18166885), (5, 3633377), (11, 1651535), (55, 330307), (137, 132605), (685, 26521), (1507, 12055), (2411, 7535)]