19693000

素因数分解:

$2^3\times 5^3\times {\mathrm{47}}^1\times {\mathrm{419}}^1$

素因数の和:487

約数の個数: 64

約数和(自身を含む): 47174400

約数和(自身を除く): 27481400

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 47, 50, 94, 100, 125, 188, 200, 235, 250, 376, 419, 470, 500, 838, 940, 1000, 1175, 1676, 1880, 2095, 2350, 3352, 4190, 4700, 5875, 8380, 9400, 10475, 11750, 16760, 19693, 20950, 23500, 39386, 41900, 47000, 52375, 78772, 83800, 98465, 104750, 157544, 196930, 209500, 393860, 419000, 492325, 787720, 984650, 1969300, 2461625, 3938600, 4923250, 9846500, 19693000]

約数ペア:

[(1, 19693000), (2, 9846500), (4, 4923250), (5, 3938600), (8, 2461625), (10, 1969300), (20, 984650), (25, 787720), (40, 492325), (47, 419000), (50, 393860), (94, 209500), (100, 196930), (125, 157544), (188, 104750), (200, 98465), (235, 83800), (250, 78772), (376, 52375), (419, 47000), (470, 41900), (500, 39386), (838, 23500), (940, 20950), (1000, 19693), (1175, 16760), (1676, 11750), (1880, 10475), (2095, 9400), (2350, 8380), (3352, 5875), (4190, 4700)]