19256500

素因数分解:

$2^2\times 5^3\times {\mathrm{19}}^1\times {\mathrm{2027}}^1$

素因数の和:2065

約数の個数: 48

約数和(自身を含む): 44291520

約数和(自身を除く): 25035020

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 76, 95, 100, 125, 190, 250, 380, 475, 500, 950, 1900, 2027, 2375, 4054, 4750, 8108, 9500, 10135, 20270, 38513, 40540, 50675, 77026, 101350, 154052, 192565, 202700, 253375, 385130, 506750, 770260, 962825, 1013500, 1925650, 3851300, 4814125, 9628250, 19256500]

約数ペア:

[(1, 19256500), (2, 9628250), (4, 4814125), (5, 3851300), (10, 1925650), (19, 1013500), (20, 962825), (25, 770260), (38, 506750), (50, 385130), (76, 253375), (95, 202700), (100, 192565), (125, 154052), (190, 101350), (250, 77026), (380, 50675), (475, 40540), (500, 38513), (950, 20270), (1900, 10135), (2027, 9500), (2375, 8108), (4054, 4750)]