19913375

素因数分解:

$5^3\times {\mathrm{17}}^1\times {\mathrm{9371}}^1$

素因数の和:9403

約数の個数: 16

約数和(自身を含む): 26316576

約数和(自身を除く): 6403201

約数列:

[1, 5, 17, 25, 85, 125, 425, 2125, 9371, 46855, 159307, 234275, 796535, 1171375, 3982675, 19913375]

約数ペア:

[(1, 19913375), (5, 3982675), (17, 1171375), (25, 796535), (85, 234275), (125, 159307), (425, 46855), (2125, 9371)]