19480900

素因数分解:

$2^2\times 5^2\times {\mathrm{194809}}^1$

素因数の和:194823

約数の個数: 18

約数和(自身を含む): 42273770

約数和(自身を除く): 22792870

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 194809, 389618, 779236, 974045, 1948090, 3896180, 4870225, 9740450, 19480900]

約数ペア:

[(1, 19480900), (2, 9740450), (4, 4870225), (5, 3896180), (10, 1948090), (20, 974045), (25, 779236), (50, 389618), (100, 194809)]