19089895

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^2\times {\mathrm{1201}}^1$

素因数の和:1251

約数の個数: 24

約数和(自身を含む): 26569008

約数和(自身を除く): 7479113

約数列:

[1, 5, 11, 17, 55, 85, 187, 289, 935, 1201, 1445, 3179, 6005, 13211, 15895, 20417, 66055, 102085, 224587, 347089, 1122935, 1735445, 3817979, 19089895]

約数ペア:

[(1, 19089895), (5, 3817979), (11, 1735445), (17, 1122935), (55, 347089), (85, 224587), (187, 102085), (289, 66055), (935, 20417), (1201, 15895), (1445, 13211), (3179, 6005)]