19250049

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{659}}^1$

素因数の和:789

約数の個数: 32

約数和(自身を含む): 31933440

約数和(自身を除く): 12683391

約数列:

[1, 3, 7, 13, 21, 39, 91, 107, 273, 321, 659, 749, 1391, 1977, 2247, 4173, 4613, 8567, 9737, 13839, 25701, 29211, 59969, 70513, 179907, 211539, 493591, 916669, 1480773, 2750007, 6416683, 19250049]

約数ペア:

[(1, 19250049), (3, 6416683), (7, 2750007), (13, 1480773), (21, 916669), (39, 493591), (91, 211539), (107, 179907), (273, 70513), (321, 59969), (659, 29211), (749, 25701), (1391, 13839), (1977, 9737), (2247, 8567), (4173, 4613)]