2019011735

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{71}}^1\times {\mathrm{73}}^1\times {\mathrm{461}}^1$

素因数の和:636

約数の個数: 48

約数和(自身を含む): 2702766528

約数和(自身を除く): 683754793

約数列:

[1, 5, 13, 65, 71, 73, 169, 355, 365, 461, 845, 923, 949, 2305, 4615, 4745, 5183, 5993, 11999, 12337, 25915, 29965, 32731, 33653, 59995, 61685, 67379, 77909, 163655, 168265, 336895, 389545, 425503, 437489, 875927, 2127515, 2187445, 2389363, 4379635, 5531539, 5687357, 11946815, 27657695, 28436785, 31061719, 155308595, 403802347, 2019011735]

約数ペア:

[(1, 2019011735), (5, 403802347), (13, 155308595), (65, 31061719), (71, 28436785), (73, 27657695), (169, 11946815), (355, 5687357), (365, 5531539), (461, 4379635), (845, 2389363), (923, 2187445), (949, 2127515), (2305, 875927), (4615, 437489), (4745, 425503), (5183, 389545), (5993, 336895), (11999, 168265), (12337, 163655), (25915, 77909), (29965, 67379), (32731, 61685), (33653, 59995)]