19938748781

素因数分解:

$7^1\times {\mathrm{631}}^1\times {\mathrm{1223}}^1\times {\mathrm{3691}}^1$

素因数の和:5552

約数の個数: 16

約数和(自身を含む): 22848104448

約数和(自身を除く): 2909355667

約数列:

[1, 7, 631, 1223, 3691, 4417, 8561, 25837, 771713, 2329021, 4514093, 5401991, 16303147, 31598651, 2848392683, 19938748781]

約数ペア:

[(1, 19938748781), (7, 2848392683), (631, 31598651), (1223, 16303147), (3691, 5401991), (4417, 4514093), (8561, 2329021), (25837, 771713)]