18914820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{315247}}^1$

素因数の和:315259

約数の個数: 24

約数和(自身を含む): 52961664

約数和(自身を除く): 34046844

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 315247, 630494, 945741, 1260988, 1576235, 1891482, 3152470, 3782964, 4728705, 6304940, 9457410, 18914820]

約数ペア:

[(1, 18914820), (2, 9457410), (3, 6304940), (4, 4728705), (5, 3782964), (6, 3152470), (10, 1891482), (12, 1576235), (15, 1260988), (20, 945741), (30, 630494), (60, 315247)]