19874709

素因数分解:

$3^2\times {\mathrm{41}}^1\times {\mathrm{53861}}^1$

素因数の和:53908

約数の個数: 12

約数和(自身を含む): 29408652

約数和(自身を除く): 9533943

約数列:

[1, 3, 9, 41, 123, 369, 53861, 161583, 484749, 2208301, 6624903, 19874709]

約数ペア:

[(1, 19874709), (3, 6624903), (9, 2208301), (41, 484749), (123, 161583), (369, 53861)]