19850245345

素因数分解:

$5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{962903}}^1$

素因数の和:962965

約数の個数: 32

約数和(自身を含む): 29580410880

約数和(自身を除く): 9730165535

約数列:

[1, 5, 7, 19, 31, 35, 95, 133, 155, 217, 589, 665, 1085, 2945, 4123, 20615, 962903, 4814515, 6740321, 18295157, 29849993, 33701605, 91475785, 128066099, 149249965, 208949951, 567149867, 640330495, 1044749755, 2835749335, 3970049069, 19850245345]

約数ペア:

[(1, 19850245345), (5, 3970049069), (7, 2835749335), (19, 1044749755), (31, 640330495), (35, 567149867), (95, 208949951), (133, 149249965), (155, 128066099), (217, 91475785), (589, 33701605), (665, 29849993), (1085, 18295157), (2945, 6740321), (4123, 4814515), (20615, 962903)]