19608885

素因数分解:

$3^5\times 5^1\times {\mathrm{16139}}^1$

素因数の和:16159

約数の個数: 24

約数和(自身を含む): 35249760

約数和(自身を除く): 15640875

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 243, 405, 1215, 16139, 48417, 80695, 145251, 242085, 435753, 726255, 1307259, 2178765, 3921777, 6536295, 19608885]

約数ペア:

[(1, 19608885), (3, 6536295), (5, 3921777), (9, 2178765), (15, 1307259), (27, 726255), (45, 435753), (81, 242085), (135, 145251), (243, 80695), (405, 48417), (1215, 16139)]