18775981

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{139}}^1\times {\mathrm{839}}^1$

素因数の和:1008

約数の個数: 16

約数和(自身を含む): 22579200

約数和(自身を除く): 3803219

約数列:

[1, 7, 23, 139, 161, 839, 973, 3197, 5873, 19297, 22379, 116621, 135079, 816347, 2682283, 18775981]

約数ペア:

[(1, 18775981), (7, 2682283), (23, 816347), (139, 135079), (161, 116621), (839, 22379), (973, 19297), (3197, 5873)]