19136655

素因数分解:

$3^4\times 5^1\times {\mathrm{47251}}^1$

素因数の和:47268

約数の個数: 20

約数和(自身を含む): 34304952

約数和(自身を除く): 15168297

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 47251, 141753, 236255, 425259, 708765, 1275777, 2126295, 3827331, 6378885, 19136655]

約数ペア:

[(1, 19136655), (3, 6378885), (5, 3827331), (9, 2126295), (15, 1275777), (27, 708765), (45, 425259), (81, 236255), (135, 141753), (405, 47251)]