18922000

素因数分解:

$2^4\times 5^3\times {\mathrm{9461}}^1$

素因数の和:9484

約数の個数: 40

約数和(自身を含む): 45758232

約数和(自身を除く): 26836232

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 125, 200, 250, 400, 500, 1000, 2000, 9461, 18922, 37844, 47305, 75688, 94610, 151376, 189220, 236525, 378440, 473050, 756880, 946100, 1182625, 1892200, 2365250, 3784400, 4730500, 9461000, 18922000]

約数ペア:

[(1, 18922000), (2, 9461000), (4, 4730500), (5, 3784400), (8, 2365250), (10, 1892200), (16, 1182625), (20, 946100), (25, 756880), (40, 473050), (50, 378440), (80, 236525), (100, 189220), (125, 151376), (200, 94610), (250, 75688), (400, 47305), (500, 37844), (1000, 18922), (2000, 9461)]