19873887

素因数分解:

$3^1\times {\mathrm{11}}^2\times {\mathrm{53}}^1\times {\mathrm{1033}}^1$

素因数の和:1111

約数の個数: 24

約数和(自身を含む): 29704752

約数和(自身を除く): 9830865

約数列:

[1, 3, 11, 33, 53, 121, 159, 363, 583, 1033, 1749, 3099, 6413, 11363, 19239, 34089, 54749, 124993, 164247, 374979, 602239, 1806717, 6624629, 19873887]

約数ペア:

[(1, 19873887), (3, 6624629), (11, 1806717), (33, 602239), (53, 374979), (121, 164247), (159, 124993), (363, 54749), (583, 34089), (1033, 19239), (1749, 11363), (3099, 6413)]