18189800

素因数分解:

$2^3\times 5^2\times {\mathrm{103}}^1\times {\mathrm{883}}^1$

素因数の和:1002

約数の個数: 48

約数和(自身を含む): 42750240

約数和(自身を除く): 24560440

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 103, 200, 206, 412, 515, 824, 883, 1030, 1766, 2060, 2575, 3532, 4120, 4415, 5150, 7064, 8830, 10300, 17660, 20600, 22075, 35320, 44150, 88300, 90949, 176600, 181898, 363796, 454745, 727592, 909490, 1818980, 2273725, 3637960, 4547450, 9094900, 18189800]

約数ペア:

[(1, 18189800), (2, 9094900), (4, 4547450), (5, 3637960), (8, 2273725), (10, 1818980), (20, 909490), (25, 727592), (40, 454745), (50, 363796), (100, 181898), (103, 176600), (200, 90949), (206, 88300), (412, 44150), (515, 35320), (824, 22075), (883, 20600), (1030, 17660), (1766, 10300), (2060, 8830), (2575, 7064), (3532, 5150), (4120, 4415)]