19946655

素因数分解:

$3^5\times 5^1\times {\mathrm{16417}}^1$

素因数の和:16437

約数の個数: 24

約数和(自身を含む): 35856912

約数和(自身を除く): 15910257

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 243, 405, 1215, 16417, 49251, 82085, 147753, 246255, 443259, 738765, 1329777, 2216295, 3989331, 6648885, 19946655]

約数ペア:

[(1, 19946655), (3, 6648885), (5, 3989331), (9, 2216295), (15, 1329777), (27, 738765), (45, 443259), (81, 246255), (135, 147753), (243, 82085), (405, 49251), (1215, 16417)]