19039325

素因数分解:

$5^2\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{199}}^1$

素因数の和:341

約数の個数: 24

約数和(自身を含む): 24552000

約数和(自身を除く): 5512675

約数列:

[1, 5, 25, 43, 89, 199, 215, 445, 995, 1075, 2225, 3827, 4975, 8557, 17711, 19135, 42785, 88555, 95675, 213925, 442775, 761573, 3807865, 19039325]

約数ペア:

[(1, 19039325), (5, 3807865), (25, 761573), (43, 442775), (89, 213925), (199, 95675), (215, 88555), (445, 42785), (995, 19135), (1075, 17711), (2225, 8557), (3827, 4975)]