18966951

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{2339}}^1$

素因数の和:2415

約数の個数: 24

約数和(自身を含む): 29568240

約数和(自身を除く): 10601289

約数列:

[1, 3, 9, 17, 51, 53, 153, 159, 477, 901, 2339, 2703, 7017, 8109, 21051, 39763, 119289, 123967, 357867, 371901, 1115703, 2107439, 6322317, 18966951]

約数ペア:

[(1, 18966951), (3, 6322317), (9, 2107439), (17, 1115703), (51, 371901), (53, 357867), (153, 123967), (159, 119289), (477, 39763), (901, 21051), (2339, 8109), (2703, 7017)]