19728566

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{6271}}^1$

素因数の和:6308

約数の個数: 24

約数和(自身を含む): 35035392

約数和(自身を除く): 15306826

約数列:

[1, 2, 11, 13, 22, 26, 121, 143, 242, 286, 1573, 3146, 6271, 12542, 68981, 81523, 137962, 163046, 758791, 896753, 1517582, 1793506, 9864283, 19728566]

約数ペア:

[(1, 19728566), (2, 9864283), (11, 1793506), (13, 1517582), (22, 896753), (26, 758791), (121, 163046), (143, 137962), (242, 81523), (286, 68981), (1573, 12542), (3146, 6271)]