18803939

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{12853}}^1$

素因数の和:12890

約数の個数: 16

約数和(自身を含む): 24679680

約数和(自身を除く): 5875741

約数列:

[1, 7, 11, 19, 77, 133, 209, 1463, 12853, 89971, 141383, 244207, 989681, 1709449, 2686277, 18803939]

約数ペア:

[(1, 18803939), (7, 2686277), (11, 1709449), (19, 989681), (77, 244207), (133, 141383), (209, 89971), (1463, 12853)]