18812000

素因数分解:

$2^5\times 5^3\times {\mathrm{4703}}^1$

素因数の和:4728

約数の個数: 48

約数和(自身を含む): 46230912

約数和(自身を除く): 27418912

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, 4703, 9406, 18812, 23515, 37624, 47030, 75248, 94060, 117575, 150496, 188120, 235150, 376240, 470300, 587875, 752480, 940600, 1175750, 1881200, 2351500, 3762400, 4703000, 9406000, 18812000]

約数ペア:

[(1, 18812000), (2, 9406000), (4, 4703000), (5, 3762400), (8, 2351500), (10, 1881200), (16, 1175750), (20, 940600), (25, 752480), (32, 587875), (40, 470300), (50, 376240), (80, 235150), (100, 188120), (125, 150496), (160, 117575), (200, 94060), (250, 75248), (400, 47030), (500, 37624), (800, 23515), (1000, 18812), (2000, 9406), (4000, 4703)]