19000

素因数分解:

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

素因数の和:40

約数の個数: 32

約数和(自身を含む): 46800

約数和(自身を除く): 27800

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 25, 38, 40, 50, 76, 95, 100, 125, 152, 190, 200, 250, 380, 475, 500, 760, 950, 1000, 1900, 2375, 3800, 4750, 9500, 19000]

約数ペア:

[(1, 19000), (2, 9500), (4, 4750), (5, 3800), (8, 2375), (10, 1900), (19, 1000), (20, 950), (25, 760), (38, 500), (40, 475), (50, 380), (76, 250), (95, 200), (100, 190), (125, 152)]