19505136959

素因数分解:

$7^1\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{251}}^1\times {\mathrm{3989}}^1$

素因数の和:4292

約数の個数: 48

約数和(自身を含む): 25675937280

約数和(自身を除く): 6170800321

約数列:

[1, 7, 11, 23, 77, 121, 161, 251, 253, 847, 1757, 1771, 2761, 2783, 3989, 5773, 19327, 19481, 27923, 30371, 40411, 43879, 63503, 91747, 212597, 307153, 444521, 482669, 642229, 698533, 1001239, 1009217, 3378683, 4889731, 7008673, 7064519, 11013629, 11101387, 23028497, 77095403, 77709709, 121149919, 161199479, 253313467, 848049433, 1773194269, 2786448137, 19505136959]

約数ペア:

[(1, 19505136959), (7, 2786448137), (11, 1773194269), (23, 848049433), (77, 253313467), (121, 161199479), (161, 121149919), (251, 77709709), (253, 77095403), (847, 23028497), (1757, 11101387), (1771, 11013629), (2761, 7064519), (2783, 7008673), (3989, 4889731), (5773, 3378683), (19327, 1009217), (19481, 1001239), (27923, 698533), (30371, 642229), (40411, 482669), (43879, 444521), (63503, 307153), (91747, 212597)]