19129640

素因数分解:

$2^3\times 5^1\times {\mathrm{478241}}^1$

素因数の和:478252

約数の個数: 16

約数和(自身を含む): 43041780

約数和(自身を除く): 23912140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 478241, 956482, 1912964, 2391205, 3825928, 4782410, 9564820, 19129640]

約数ペア:

[(1, 19129640), (2, 9564820), (4, 4782410), (5, 3825928), (8, 2391205), (10, 1912964), (20, 956482), (40, 478241)]