18507218380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{1973051}}^1$

素因数の和:1973134

約数の個数: 48

約数和(自身を含む): 45080292096

約数和(自身を除く): 26573073716

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 67, 70, 134, 140, 268, 335, 469, 670, 938, 1340, 1876, 2345, 4690, 9380, 1973051, 3946102, 7892204, 9865255, 13811357, 19730510, 27622714, 39461020, 55245428, 69056785, 132194417, 138113570, 264388834, 276227140, 528777668, 660972085, 925360919, 1321944170, 1850721838, 2643888340, 3701443676, 4626804595, 9253609190, 18507218380]

約数ペア:

[(1, 18507218380), (2, 9253609190), (4, 4626804595), (5, 3701443676), (7, 2643888340), (10, 1850721838), (14, 1321944170), (20, 925360919), (28, 660972085), (35, 528777668), (67, 276227140), (70, 264388834), (134, 138113570), (140, 132194417), (268, 69056785), (335, 55245428), (469, 39461020), (670, 27622714), (938, 19730510), (1340, 13811357), (1876, 9865255), (2345, 7892204), (4690, 3946102), (9380, 1973051)]