19213605

素因数分解:

$3^4\times 5^1\times {\mathrm{47441}}^1$

素因数の和:47458

約数の個数: 20

約数和(自身を含む): 34442892

約数和(自身を除く): 15229287

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 47441, 142323, 237205, 426969, 711615, 1280907, 2134845, 3842721, 6404535, 19213605]

約数ペア:

[(1, 19213605), (3, 6404535), (5, 3842721), (9, 2134845), (15, 1280907), (27, 711615), (45, 426969), (81, 237205), (135, 142323), (405, 47441)]