18838000

素因数分解:

$2^4\times 5^3\times {\mathrm{9419}}^1$

素因数の和:9442

約数の個数: 40

約数和(自身を含む): 45555120

約数和(自身を除く): 26717120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 125, 200, 250, 400, 500, 1000, 2000, 9419, 18838, 37676, 47095, 75352, 94190, 150704, 188380, 235475, 376760, 470950, 753520, 941900, 1177375, 1883800, 2354750, 3767600, 4709500, 9419000, 18838000]

約数ペア:

[(1, 18838000), (2, 9419000), (4, 4709500), (5, 3767600), (8, 2354750), (10, 1883800), (16, 1177375), (20, 941900), (25, 753520), (40, 470950), (50, 376760), (80, 235475), (100, 188380), (125, 150704), (200, 94190), (250, 75352), (400, 47095), (500, 37676), (1000, 18838), (2000, 9419)]