19154220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{319237}}^1$

素因数の和:319249

約数の個数: 24

約数和(自身を含む): 53631984

約数和(自身を除く): 34477764

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 319237, 638474, 957711, 1276948, 1596185, 1915422, 3192370, 3830844, 4788555, 6384740, 9577110, 19154220]

約数ペア:

[(1, 19154220), (2, 9577110), (3, 6384740), (4, 4788555), (5, 3830844), (6, 3192370), (10, 1915422), (12, 1596185), (15, 1276948), (20, 957711), (30, 638474), (60, 319237)]