19554740

素因数分解:

$2^2\times 5^1\times {\mathrm{241}}^1\times {\mathrm{4057}}^1$

素因数の和:4307

約数の個数: 24

約数和(自身を含む): 41245512

約数和(自身を除く): 21690772

約数列:

[1, 2, 4, 5, 10, 20, 241, 482, 964, 1205, 2410, 4057, 4820, 8114, 16228, 20285, 40570, 81140, 977737, 1955474, 3910948, 4888685, 9777370, 19554740]

約数ペア:

[(1, 19554740), (2, 9777370), (4, 4888685), (5, 3910948), (10, 1955474), (20, 977737), (241, 81140), (482, 40570), (964, 20285), (1205, 16228), (2410, 8114), (4057, 4820)]