19896642

素因数分解:

$2^1\times 3^2\times {\mathrm{109}}^1\times {\mathrm{10141}}^1$

素因数の和:10258

約数の個数: 24

約数和(自身を含む): 43509180

約数和(自身を除く): 23612538

約数列:

[1, 2, 3, 6, 9, 18, 109, 218, 327, 654, 981, 1962, 10141, 20282, 30423, 60846, 91269, 182538, 1105369, 2210738, 3316107, 6632214, 9948321, 19896642]

約数ペア:

[(1, 19896642), (2, 9948321), (3, 6632214), (6, 3316107), (9, 2210738), (18, 1105369), (109, 182538), (218, 91269), (327, 60846), (654, 30423), (981, 20282), (1962, 10141)]