19962019

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{6029}}^1$

素因数の和:6090

約数の個数: 16

約数和(自身を含む): 25470720

約数和(自身を除く): 5508701

約数列:

[1, 7, 11, 43, 77, 301, 473, 3311, 6029, 42203, 66319, 259247, 464233, 1814729, 2851717, 19962019]

約数ペア:

[(1, 19962019), (7, 2851717), (11, 1814729), (43, 464233), (77, 259247), (301, 66319), (473, 42203), (3311, 6029)]