19912314604

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1531}}^1\times {\mathrm{35731}}^1$

素因数の和:37286

約数の個数: 48

約数和(自身を含む): 42917276416

約数和(自身を除く): 23004961812

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 182, 364, 1531, 3062, 6124, 10717, 19903, 21434, 35731, 39806, 42868, 71462, 79612, 139321, 142924, 250117, 278642, 464503, 500234, 557284, 929006, 1000468, 1858012, 3251521, 6503042, 13006084, 54704161, 109408322, 218816644, 382929127, 711154093, 765858254, 1422308186, 1531716508, 2844616372, 4978078651, 9956157302, 19912314604]

約数ペア:

[(1, 19912314604), (2, 9956157302), (4, 4978078651), (7, 2844616372), (13, 1531716508), (14, 1422308186), (26, 765858254), (28, 711154093), (52, 382929127), (91, 218816644), (182, 109408322), (364, 54704161), (1531, 13006084), (3062, 6503042), (6124, 3251521), (10717, 1858012), (19903, 1000468), (21434, 929006), (35731, 557284), (39806, 500234), (42868, 464503), (71462, 278642), (79612, 250117), (139321, 142924)]