18022000

素因数分解:

$2^4\times 5^3\times {\mathrm{9011}}^1$

素因数の和:9034

約数の個数: 40

約数和(自身を含む): 43582032

約数和(自身を除く): 25560032

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 125, 200, 250, 400, 500, 1000, 2000, 9011, 18022, 36044, 45055, 72088, 90110, 144176, 180220, 225275, 360440, 450550, 720880, 901100, 1126375, 1802200, 2252750, 3604400, 4505500, 9011000, 18022000]

約数ペア:

[(1, 18022000), (2, 9011000), (4, 4505500), (5, 3604400), (8, 2252750), (10, 1802200), (16, 1126375), (20, 901100), (25, 720880), (40, 450550), (50, 360440), (80, 225275), (100, 180220), (125, 144176), (200, 90110), (250, 72088), (400, 45055), (500, 36044), (1000, 18022), (2000, 9011)]