19470268

素因数分解:

$2^2\times {\mathrm{73}}^1\times {\mathrm{131}}^1\times {\mathrm{509}}^1$

素因数の和:717

約数の個数: 24

約数和(自身を含む): 34871760

約数和(自身を除く): 15401492

約数列:

[1, 2, 4, 73, 131, 146, 262, 292, 509, 524, 1018, 2036, 9563, 19126, 37157, 38252, 66679, 74314, 133358, 148628, 266716, 4867567, 9735134, 19470268]

約数ペア:

[(1, 19470268), (2, 9735134), (4, 4867567), (73, 266716), (131, 148628), (146, 133358), (262, 74314), (292, 66679), (509, 38252), (524, 37157), (1018, 19126), (2036, 9563)]