19455080

素因数分解:

$2^3\times 5^1\times {\mathrm{486377}}^1$

素因数の和:486388

約数の個数: 16

約数和(自身を含む): 43774020

約数和(自身を除く): 24318940

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 486377, 972754, 1945508, 2431885, 3891016, 4863770, 9727540, 19455080]

約数ペア:

[(1, 19455080), (2, 9727540), (4, 4863770), (5, 3891016), (8, 2431885), (10, 1945508), (20, 972754), (40, 486377)]