19316820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{321947}}^1$

素因数の和:321959

約数の個数: 24

約数和(自身を含む): 54087264

約数和(自身を除く): 34770444

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 321947, 643894, 965841, 1287788, 1609735, 1931682, 3219470, 3863364, 4829205, 6438940, 9658410, 19316820]

約数ペア:

[(1, 19316820), (2, 9658410), (3, 6438940), (4, 4829205), (5, 3863364), (6, 3219470), (10, 1931682), (12, 1609735), (15, 1287788), (20, 965841), (30, 643894), (60, 321947)]