19963748

素因数分解:

$2^2\times 7^1\times {\mathrm{73}}^1\times {\mathrm{9767}}^1$

素因数の和:9851

約数の個数: 24

約数和(自身を含む): 40478592

約数和(自身を除く): 20514844

約数列:

[1, 2, 4, 7, 14, 28, 73, 146, 292, 511, 1022, 2044, 9767, 19534, 39068, 68369, 136738, 273476, 712991, 1425982, 2851964, 4990937, 9981874, 19963748]

約数ペア:

[(1, 19963748), (2, 9981874), (4, 4990937), (7, 2851964), (14, 1425982), (28, 712991), (73, 273476), (146, 136738), (292, 68369), (511, 39068), (1022, 19534), (2044, 9767)]