18391059

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{1693}}^1$

素因数の和:1787

約数の個数: 24

約数和(自身を含む): 28540512

約数和(自身を除く): 10149453

約数列:

[1, 3, 9, 17, 51, 71, 153, 213, 639, 1207, 1693, 3621, 5079, 10863, 15237, 28781, 86343, 120203, 259029, 360609, 1081827, 2043451, 6130353, 18391059]

約数ペア:

[(1, 18391059), (3, 6130353), (9, 2043451), (17, 1081827), (51, 360609), (71, 259029), (153, 120203), (213, 86343), (639, 28781), (1207, 15237), (1693, 10863), (3621, 5079)]