19898177

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{179}}^1\times {\mathrm{503}}^1$

素因数の和:712

約数の個数: 16

約数和(自身を含む): 22861440

約数和(自身を除く): 2963263

約数列:

[1, 13, 17, 179, 221, 503, 2327, 3043, 6539, 8551, 39559, 90037, 111163, 1170481, 1530629, 19898177]

約数ペア:

[(1, 19898177), (13, 1530629), (17, 1170481), (179, 111163), (221, 90037), (503, 39559), (2327, 8551), (3043, 6539)]