19676000

素因数分解:

$2^5\times 5^3\times {\mathrm{4919}}^1$

素因数の和:4944

約数の個数: 48

約数和(自身を含む): 48353760

約数和(自身を除く): 28677760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 125, 160, 200, 250, 400, 500, 800, 1000, 2000, 4000, 4919, 9838, 19676, 24595, 39352, 49190, 78704, 98380, 122975, 157408, 196760, 245950, 393520, 491900, 614875, 787040, 983800, 1229750, 1967600, 2459500, 3935200, 4919000, 9838000, 19676000]

約数ペア:

[(1, 19676000), (2, 9838000), (4, 4919000), (5, 3935200), (8, 2459500), (10, 1967600), (16, 1229750), (20, 983800), (25, 787040), (32, 614875), (40, 491900), (50, 393520), (80, 245950), (100, 196760), (125, 157408), (160, 122975), (200, 98380), (250, 78704), (400, 49190), (500, 39352), (800, 24595), (1000, 19676), (2000, 9838), (4000, 4919)]