19889693

素因数分解:

${\mathrm{31}}^1\times {\mathrm{43}}^2\times {\mathrm{347}}^1$

素因数の和:464

約数の個数: 12

約数和(自身を含む): 21080448

約数和(自身を除く): 1190755

約数列:

[1, 31, 43, 347, 1333, 1849, 10757, 14921, 57319, 462551, 641603, 19889693]

約数ペア:

[(1, 19889693), (31, 641603), (43, 462551), (347, 57319), (1333, 14921), (1849, 10757)]