19201750

素因数分解:

$2^1\times 5^3\times {\mathrm{89}}^1\times {\mathrm{863}}^1$

素因数の和:969

約数の個数: 32

約数和(自身を含む): 36391680

約数和(自身を除く): 17189930

約数列:

[1, 2, 5, 10, 25, 50, 89, 125, 178, 250, 445, 863, 890, 1726, 2225, 4315, 4450, 8630, 11125, 21575, 22250, 43150, 76807, 107875, 153614, 215750, 384035, 768070, 1920175, 3840350, 9600875, 19201750]

約数ペア:

[(1, 19201750), (2, 9600875), (5, 3840350), (10, 1920175), (25, 768070), (50, 384035), (89, 215750), (125, 153614), (178, 107875), (250, 76807), (445, 43150), (863, 22250), (890, 21575), (1726, 11125), (2225, 8630), (4315, 4450)]