18118364

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{509}}^1\times {\mathrm{809}}^1$

素因数の和:1333

約数の個数: 24

約数和(自身を含む): 34700400

約数和(自身を除く): 16582036

約数列:

[1, 2, 4, 11, 22, 44, 509, 809, 1018, 1618, 2036, 3236, 5599, 8899, 11198, 17798, 22396, 35596, 411781, 823562, 1647124, 4529591, 9059182, 18118364]

約数ペア:

[(1, 18118364), (2, 9059182), (4, 4529591), (11, 1647124), (22, 823562), (44, 411781), (509, 35596), (809, 22396), (1018, 17798), (1618, 11198), (2036, 8899), (3236, 5599)]