19858713

素因数分解:

$3^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{9749}}^1$

素因数の和:9856

約数の個数: 16

約数和(自身を含む): 30576000

約数和(自身を除く): 10717287

約数列:

[1, 3, 7, 21, 97, 291, 679, 2037, 9749, 29247, 68243, 204729, 945653, 2836959, 6619571, 19858713]

約数ペア:

[(1, 19858713), (3, 6619571), (7, 2836959), (21, 945653), (97, 204729), (291, 68243), (679, 29247), (2037, 9749)]