19713573

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{1861}}^1$

素因数の和:1985

約数の個数: 24

約数和(自身を含む): 31370976

約数和(自身を除く): 11657403

約数列:

[1, 3, 9, 11, 33, 99, 107, 321, 963, 1177, 1861, 3531, 5583, 10593, 16749, 20471, 61413, 184239, 199127, 597381, 1792143, 2190397, 6571191, 19713573]

約数ペア:

[(1, 19713573), (3, 6571191), (9, 2190397), (11, 1792143), (33, 597381), (99, 199127), (107, 184239), (321, 61413), (963, 20471), (1177, 16749), (1861, 10593), (3531, 5583)]