18996969604

素因数分解:

$2^2\times {\mathrm{107}}^1\times {\mathrm{997}}^1\times {\mathrm{44519}}^1$

素因数の和:45627

約数の個数: 24

約数和(自身を含む): 33589805760

約数和(自身を除く): 14592836156

約数列:

[1, 2, 4, 107, 214, 428, 997, 1994, 3988, 44519, 89038, 106679, 178076, 213358, 426716, 4763533, 9527066, 19054132, 44385443, 88770886, 177541772, 4749242401, 9498484802, 18996969604]

約数ペア:

[(1, 18996969604), (2, 9498484802), (4, 4749242401), (107, 177541772), (214, 88770886), (428, 44385443), (997, 19054132), (1994, 9527066), (3988, 4763533), (44519, 426716), (89038, 213358), (106679, 178076)]