19782846

素因数分解:

$2^1\times 3^3\times {\mathrm{109}}^1\times {\mathrm{3361}}^1$

素因数の和:3481

約数の個数: 32

約数和(自身を含む): 44378400

約数和(自身を除く): 24595554

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 109, 218, 327, 654, 981, 1962, 2943, 3361, 5886, 6722, 10083, 20166, 30249, 60498, 90747, 181494, 366349, 732698, 1099047, 2198094, 3297141, 6594282, 9891423, 19782846]

約数ペア:

[(1, 19782846), (2, 9891423), (3, 6594282), (6, 3297141), (9, 2198094), (18, 1099047), (27, 732698), (54, 366349), (109, 181494), (218, 90747), (327, 60498), (654, 30249), (981, 20166), (1962, 10083), (2943, 6722), (3361, 5886)]