19446500

素因数分解:

$2^2\times 5^3\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1$

素因数の和:150

約数の個数: 96

約数和(自身を含む): 47174400

約数和(自身を除く): 27727900

約数列:

[1, 2, 4, 5, 10, 19, 20, 23, 25, 38, 46, 50, 76, 89, 92, 95, 100, 115, 125, 178, 190, 230, 250, 356, 380, 437, 445, 460, 475, 500, 575, 874, 890, 950, 1150, 1691, 1748, 1780, 1900, 2047, 2185, 2225, 2300, 2375, 2875, 3382, 4094, 4370, 4450, 4750, 5750, 6764, 8188, 8455, 8740, 8900, 9500, 10235, 10925, 11125, 11500, 16910, 20470, 21850, 22250, 33820, 38893, 40940, 42275, 43700, 44500, 51175, 54625, 77786, 84550, 102350, 109250, 155572, 169100, 194465, 204700, 211375, 218500, 255875, 388930, 422750, 511750, 777860, 845500, 972325, 1023500, 1944650, 3889300, 4861625, 9723250, 19446500]

約数ペア:

[(1, 19446500), (2, 9723250), (4, 4861625), (5, 3889300), (10, 1944650), (19, 1023500), (20, 972325), (23, 845500), (25, 777860), (38, 511750), (46, 422750), (50, 388930), (76, 255875), (89, 218500), (92, 211375), (95, 204700), (100, 194465), (115, 169100), (125, 155572), (178, 109250), (190, 102350), (230, 84550), (250, 77786), (356, 54625), (380, 51175), (437, 44500), (445, 43700), (460, 42275), (475, 40940), (500, 38893), (575, 33820), (874, 22250), (890, 21850), (950, 20470), (1150, 16910), (1691, 11500), (1748, 11125), (1780, 10925), (1900, 10235), (2047, 9500), (2185, 8900), (2225, 8740), (2300, 8455), (2375, 8188), (2875, 6764), (3382, 5750), (4094, 4750), (4370, 4450)]