19005635

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{157}}^1$

素因数の和:275

約数の個数: 32

約数和(自身を含む): 26210304

約数和(自身を除く): 7204669

約数列:

[1, 5, 11, 31, 55, 71, 155, 157, 341, 355, 781, 785, 1705, 1727, 2201, 3905, 4867, 8635, 11005, 11147, 24211, 24335, 53537, 55735, 121055, 122617, 267685, 345557, 613085, 1727785, 3801127, 19005635]

約数ペア:

[(1, 19005635), (5, 3801127), (11, 1727785), (31, 613085), (55, 345557), (71, 267685), (155, 122617), (157, 121055), (341, 55735), (355, 53537), (781, 24335), (785, 24211), (1705, 11147), (1727, 11005), (2201, 8635), (3905, 4867)]