19281645

素因数分解:

$3^4\times 5^1\times {\mathrm{47609}}^1$

素因数の和:47626

約数の個数: 20

約数和(自身を含む): 34564860

約数和(自身を除く): 15283215

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 47609, 142827, 238045, 428481, 714135, 1285443, 2142405, 3856329, 6427215, 19281645]

約数ペア:

[(1, 19281645), (3, 6427215), (5, 3856329), (9, 2142405), (15, 1285443), (27, 714135), (45, 428481), (81, 238045), (135, 142827), (405, 47609)]