18968000

素因数分解:

$2^6\times 5^3\times {\mathrm{2371}}^1$

素因数の和:2398

約数の個数: 56

約数和(自身を含む): 46994064

約数和(自身を除く): 28026064

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 125, 160, 200, 250, 320, 400, 500, 800, 1000, 1600, 2000, 2371, 4000, 4742, 8000, 9484, 11855, 18968, 23710, 37936, 47420, 59275, 75872, 94840, 118550, 151744, 189680, 237100, 296375, 379360, 474200, 592750, 758720, 948400, 1185500, 1896800, 2371000, 3793600, 4742000, 9484000, 18968000]

約数ペア:

[(1, 18968000), (2, 9484000), (4, 4742000), (5, 3793600), (8, 2371000), (10, 1896800), (16, 1185500), (20, 948400), (25, 758720), (32, 592750), (40, 474200), (50, 379360), (64, 296375), (80, 237100), (100, 189680), (125, 151744), (160, 118550), (200, 94840), (250, 75872), (320, 59275), (400, 47420), (500, 37936), (800, 23710), (1000, 18968), (1600, 11855), (2000, 9484), (2371, 8000), (4000, 4742)]