19249400

素因数分解:

$2^3\times 5^2\times {\mathrm{109}}^1\times {\mathrm{883}}^1$

素因数の和:1008

約数の個数: 48

約数和(自身を含む): 45216600

約数和(自身を除く): 25967200

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 109, 200, 218, 436, 545, 872, 883, 1090, 1766, 2180, 2725, 3532, 4360, 4415, 5450, 7064, 8830, 10900, 17660, 21800, 22075, 35320, 44150, 88300, 96247, 176600, 192494, 384988, 481235, 769976, 962470, 1924940, 2406175, 3849880, 4812350, 9624700, 19249400]

約数ペア:

[(1, 19249400), (2, 9624700), (4, 4812350), (5, 3849880), (8, 2406175), (10, 1924940), (20, 962470), (25, 769976), (40, 481235), (50, 384988), (100, 192494), (109, 176600), (200, 96247), (218, 88300), (436, 44150), (545, 35320), (872, 22075), (883, 21800), (1090, 17660), (1766, 10900), (2180, 8830), (2725, 7064), (3532, 5450), (4360, 4415)]