19386129

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{307}}^1$

素因数の和:445

約数の個数: 32

約数和(自身を含む): 30908416

約数和(自身を除く): 11522287

約数列:

[1, 3, 7, 21, 31, 93, 97, 217, 291, 307, 651, 679, 921, 2037, 2149, 3007, 6447, 9021, 9517, 21049, 28551, 29779, 63147, 66619, 89337, 199857, 208453, 625359, 923149, 2769447, 6462043, 19386129]

約数ペア:

[(1, 19386129), (3, 6462043), (7, 2769447), (21, 923149), (31, 625359), (93, 208453), (97, 199857), (217, 89337), (291, 66619), (307, 63147), (651, 29779), (679, 28551), (921, 21049), (2037, 9517), (2149, 9021), (3007, 6447)]