18663548

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{5711}}^1$

素因数の和:5777

約数の個数: 24

約数和(自身を含む): 35185920

約数和(自身を除く): 16522372

約数列:

[1, 2, 4, 19, 38, 43, 76, 86, 172, 817, 1634, 3268, 5711, 11422, 22844, 108509, 217018, 245573, 434036, 491146, 982292, 4665887, 9331774, 18663548]

約数ペア:

[(1, 18663548), (2, 9331774), (4, 4665887), (19, 982292), (38, 491146), (43, 434036), (76, 245573), (86, 217018), (172, 108509), (817, 22844), (1634, 11422), (3268, 5711)]