19203760

素因数分解:

$2^4\times 5^1\times {\mathrm{240047}}^1$

素因数の和:240060

約数の個数: 20

約数和(自身を含む): 44648928

約数和(自身を除く): 25445168

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 240047, 480094, 960188, 1200235, 1920376, 2400470, 3840752, 4800940, 9601880, 19203760]

約数ペア:

[(1, 19203760), (2, 9601880), (4, 4800940), (5, 3840752), (8, 2400470), (10, 1920376), (16, 1200235), (20, 960188), (40, 480094), (80, 240047)]