19317660

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{321961}}^1$

素因数の和:321973

約数の個数: 24

約数和(自身を含む): 54089616

約数和(自身を除く): 34771956

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 321961, 643922, 965883, 1287844, 1609805, 1931766, 3219610, 3863532, 4829415, 6439220, 9658830, 19317660]

約数ペア:

[(1, 19317660), (2, 9658830), (3, 6439220), (4, 4829415), (5, 3863532), (6, 3219610), (10, 1931766), (12, 1609805), (15, 1287844), (20, 965883), (30, 643922), (60, 321961)]