19247316

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{3391}}^1$

素因数の和:3452

約数の個数: 48

約数和(自身を含む): 50147328

約数和(自身を除く): 30900012

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 43, 44, 66, 86, 129, 132, 172, 258, 473, 516, 946, 1419, 1892, 2838, 3391, 5676, 6782, 10173, 13564, 20346, 37301, 40692, 74602, 111903, 145813, 149204, 223806, 291626, 437439, 447612, 583252, 874878, 1603943, 1749756, 3207886, 4811829, 6415772, 9623658, 19247316]

約数ペア:

[(1, 19247316), (2, 9623658), (3, 6415772), (4, 4811829), (6, 3207886), (11, 1749756), (12, 1603943), (22, 874878), (33, 583252), (43, 447612), (44, 437439), (66, 291626), (86, 223806), (129, 149204), (132, 145813), (172, 111903), (258, 74602), (473, 40692), (516, 37301), (946, 20346), (1419, 13564), (1892, 10173), (2838, 6782), (3391, 5676)]