19804862

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{128603}}^1$

素因数の和:128623

約数の個数: 16

約数和(自身を含む): 37037952

約数和(自身を除く): 17233090

約数列:

[1, 2, 7, 11, 14, 22, 77, 154, 128603, 257206, 900221, 1414633, 1800442, 2829266, 9902431, 19804862]

約数ペア:

[(1, 19804862), (2, 9902431), (7, 2829266), (11, 1800442), (14, 1414633), (22, 900221), (77, 257206), (154, 128603)]