19394740

素因数分解:

$2^2\times 5^1\times {\mathrm{557}}^1\times {\mathrm{1741}}^1$

素因数の和:2307

約数の個数: 24

約数和(自身を含む): 40825512

約数和(自身を除く): 21430772

約数列:

[1, 2, 4, 5, 10, 20, 557, 1114, 1741, 2228, 2785, 3482, 5570, 6964, 8705, 11140, 17410, 34820, 969737, 1939474, 3878948, 4848685, 9697370, 19394740]

約数ペア:

[(1, 19394740), (2, 9697370), (4, 4848685), (5, 3878948), (10, 1939474), (20, 969737), (557, 34820), (1114, 17410), (1741, 11140), (2228, 8705), (2785, 6964), (3482, 5570)]