19497291245

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{126241}}^1$

素因数の和:126365

約数の個数: 32

約数和(自身を含む): 26177541120

約数和(自身を除く): 6680249875

約数列:

[1, 5, 17, 23, 79, 85, 115, 391, 395, 1343, 1817, 1955, 6715, 9085, 30889, 126241, 154445, 631205, 2146097, 2903543, 9973039, 10730485, 14517715, 49360231, 49865195, 169541663, 229379897, 246801155, 847708315, 1146899485, 3899458249, 19497291245]

約数ペア:

[(1, 19497291245), (5, 3899458249), (17, 1146899485), (23, 847708315), (79, 246801155), (85, 229379897), (115, 169541663), (391, 49865195), (395, 49360231), (1343, 14517715), (1817, 10730485), (1955, 9973039), (6715, 2903543), (9085, 2146097), (30889, 631205), (126241, 154445)]