19036840

素因数分解:

$2^3\times 5^1\times {\mathrm{475921}}^1$

素因数の和:475932

約数の個数: 16

約数和(自身を含む): 42832980

約数和(自身を除く): 23796140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 475921, 951842, 1903684, 2379605, 3807368, 4759210, 9518420, 19036840]

約数ペア:

[(1, 19036840), (2, 9518420), (4, 4759210), (5, 3807368), (8, 2379605), (10, 1903684), (20, 951842), (40, 475921)]