19815270

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{660509}}^1$

素因数の和:660519

約数の個数: 16

約数和(自身を含む): 47556720

約数和(自身を除く): 27741450

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 660509, 1321018, 1981527, 3302545, 3963054, 6605090, 9907635, 19815270]

約数ペア:

[(1, 19815270), (2, 9907635), (3, 6605090), (5, 3963054), (6, 3302545), (10, 1981527), (15, 1321018), (30, 660509)]