19875669

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{499}}^1$

素因数の和:601

約数の個数: 32

約数和(自身を含む): 31104000

約数和(自身を除く): 11228331

約数列:

[1, 3, 11, 17, 33, 51, 71, 187, 213, 499, 561, 781, 1207, 1497, 2343, 3621, 5489, 8483, 13277, 16467, 25449, 35429, 39831, 93313, 106287, 279939, 389719, 602293, 1169157, 1806879, 6625223, 19875669]

約数ペア:

[(1, 19875669), (3, 6625223), (11, 1806879), (17, 1169157), (33, 602293), (51, 389719), (71, 279939), (187, 106287), (213, 93313), (499, 39831), (561, 35429), (781, 25449), (1207, 16467), (1497, 13277), (2343, 8483), (3621, 5489)]