18896143

素因数分解:

$7^1\times {\mathrm{31}}^2\times {\mathrm{53}}^2$

素因数の和:175

約数の個数: 18

約数和(自身を含む): 22743672

約数和(自身を除く): 3847529

約数列:

[1, 7, 31, 53, 217, 371, 961, 1643, 2809, 6727, 11501, 19663, 50933, 87079, 356531, 609553, 2699449, 18896143]

約数ペア:

[(1, 18896143), (7, 2699449), (31, 609553), (53, 356531), (217, 87079), (371, 50933), (961, 19663), (1643, 11501), (2809, 6727)]