19248980

素因数分解:

$2^2\times 5^1\times {\mathrm{191}}^1\times {\mathrm{5039}}^1$

素因数の和:5239

約数の個数: 24

約数和(自身を含む): 40642560

約数和(自身を除く): 21393580

約数列:

[1, 2, 4, 5, 10, 20, 191, 382, 764, 955, 1910, 3820, 5039, 10078, 20156, 25195, 50390, 100780, 962449, 1924898, 3849796, 4812245, 9624490, 19248980]

約数ペア:

[(1, 19248980), (2, 9624490), (4, 4812245), (5, 3849796), (10, 1924898), (20, 962449), (191, 100780), (382, 50390), (764, 25195), (955, 20156), (1910, 10078), (3820, 5039)]