18873723

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^2\times {\mathrm{1979}}^1$

素因数の和:2027

約数の個数: 24

約数和(自身を含む): 29177280

約数和(自身を除く): 10303557

約数列:

[1, 3, 11, 17, 33, 51, 187, 289, 561, 867, 1979, 3179, 5937, 9537, 21769, 33643, 65307, 100929, 370073, 571931, 1110219, 1715793, 6291241, 18873723]

約数ペア:

[(1, 18873723), (3, 6291241), (11, 1715793), (17, 1110219), (33, 571931), (51, 370073), (187, 100929), (289, 65307), (561, 33643), (867, 21769), (1979, 9537), (3179, 5937)]