18398023

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{3217}}^1$

素因数の和:3286

約数の個数: 16

約数和(自身を含む): 22654720

約数和(自身を除く): 4256697

約数列:

[1, 7, 19, 43, 133, 301, 817, 3217, 5719, 22519, 61123, 138331, 427861, 968317, 2628289, 18398023]

約数ペア:

[(1, 18398023), (7, 2628289), (19, 968317), (43, 427861), (133, 138331), (301, 61123), (817, 22519), (3217, 5719)]