19721850

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{131479}}^1$

素因数の和:131494

約数の個数: 24

約数和(自身を含む): 48910560

約数和(自身を除く): 29188710

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 50, 75, 150, 131479, 262958, 394437, 657395, 788874, 1314790, 1972185, 3286975, 3944370, 6573950, 9860925, 19721850]

約数ペア:

[(1, 19721850), (2, 9860925), (3, 6573950), (5, 3944370), (6, 3286975), (10, 1972185), (15, 1314790), (25, 788874), (30, 657395), (50, 394437), (75, 262958), (150, 131479)]