19935315

素因数分解:

$3^4\times 5^1\times {\mathrm{49223}}^1$

素因数の和:49240

約数の個数: 20

約数和(自身を含む): 35736624

約数和(自身を除く): 15801309

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 49223, 147669, 246115, 443007, 738345, 1329021, 2215035, 3987063, 6645105, 19935315]

約数ペア:

[(1, 19935315), (3, 6645105), (5, 3987063), (9, 2215035), (15, 1329021), (27, 738345), (45, 443007), (81, 246115), (135, 147669), (405, 49223)]