1938961900

素因数分解:

$2^2\times 5^2\times {\mathrm{19389619}}^1$

素因数の和:19389633

約数の個数: 18

約数和(自身を含む): 4207547540

約数和(自身を除く): 2268585640

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 19389619, 38779238, 77558476, 96948095, 193896190, 387792380, 484740475, 969480950, 1938961900]

約数ペア:

[(1, 1938961900), (2, 969480950), (4, 484740475), (5, 387792380), (10, 193896190), (20, 96948095), (25, 77558476), (50, 38779238), (100, 19389619)]