19286000

素因数分解:

$2^4\times 5^3\times {\mathrm{9643}}^1$

素因数の和:9666

約数の個数: 40

約数和(自身を含む): 46638384

約数和(自身を除く): 27352384

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 125, 200, 250, 400, 500, 1000, 2000, 9643, 19286, 38572, 48215, 77144, 96430, 154288, 192860, 241075, 385720, 482150, 771440, 964300, 1205375, 1928600, 2410750, 3857200, 4821500, 9643000, 19286000]

約数ペア:

[(1, 19286000), (2, 9643000), (4, 4821500), (5, 3857200), (8, 2410750), (10, 1928600), (16, 1205375), (20, 964300), (25, 771440), (40, 482150), (50, 385720), (80, 241075), (100, 192860), (125, 154288), (200, 96430), (250, 77144), (400, 48215), (500, 38572), (1000, 19286), (2000, 9643)]