18982843

素因数分解:

${\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{359}}^1$

素因数の和:423

約数の個数: 24

約数和(自身を含む): 22982400

約数和(自身を除く): 3999557

約数列:

[1, 11, 19, 23, 121, 209, 253, 359, 437, 2299, 2783, 3949, 4807, 6821, 8257, 43439, 52877, 75031, 90827, 156883, 825341, 999097, 1725713, 18982843]

約数ペア:

[(1, 18982843), (11, 1725713), (19, 999097), (23, 825341), (121, 156883), (209, 90827), (253, 75031), (359, 52877), (437, 43439), (2299, 8257), (2783, 6821), (3949, 4807)]