19180220

素因数分解:

$2^2\times 5^1\times {\mathrm{191}}^1\times {\mathrm{5021}}^1$

素因数の和:5221

約数の個数: 24

約数和(自身を含む): 40497408

約数和(自身を除く): 21317188

約数列:

[1, 2, 4, 5, 10, 20, 191, 382, 764, 955, 1910, 3820, 5021, 10042, 20084, 25105, 50210, 100420, 959011, 1918022, 3836044, 4795055, 9590110, 19180220]

約数ペア:

[(1, 19180220), (2, 9590110), (4, 4795055), (5, 3836044), (10, 1918022), (20, 959011), (191, 100420), (382, 50210), (764, 25105), (955, 20084), (1910, 10042), (3820, 5021)]