18891879

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{4463}}^1$

素因数の和:4566

約数の個数: 16

約数和(自身を含む): 26998272

約数和(自身を除く): 8106393

約数列:

[1, 3, 17, 51, 83, 249, 1411, 4233, 4463, 13389, 75871, 227613, 370429, 1111287, 6297293, 18891879]

約数ペア:

[(1, 18891879), (3, 6297293), (17, 1111287), (51, 370429), (83, 227613), (249, 75871), (1411, 13389), (4233, 4463)]