18714025

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{4003}}^1$

素因数の和:4041

約数の個数: 24

約数和(自身を含む): 26810784

約数和(自身を除く): 8096759

約数列:

[1, 5, 11, 17, 25, 55, 85, 187, 275, 425, 935, 4003, 4675, 20015, 44033, 68051, 100075, 220165, 340255, 748561, 1100825, 1701275, 3742805, 18714025]

約数ペア:

[(1, 18714025), (5, 3742805), (11, 1701275), (17, 1100825), (25, 748561), (55, 340255), (85, 220165), (187, 100075), (275, 68051), (425, 44033), (935, 20015), (4003, 4675)]