19896767

素因数分解:

${\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{157}}^1\times {\mathrm{281}}^1$

素因数の和:490

約数の個数: 16

約数和(自身を含む): 22456224

約数和(自身を除く): 2559457

約数列:

[1, 11, 41, 157, 281, 451, 1727, 3091, 6437, 11521, 44117, 70807, 126731, 485287, 1808797, 19896767]

約数ペア:

[(1, 19896767), (11, 1808797), (41, 485287), (157, 126731), (281, 70807), (451, 44117), (1727, 11521), (3091, 6437)]