18868083

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{25463}}^1$

素因数の和:25498

約数の個数: 16

約数和(自身を含む): 28519680

約数和(自身を除く): 9651597

約数列:

[1, 3, 13, 19, 39, 57, 247, 741, 25463, 76389, 331019, 483797, 993057, 1451391, 6289361, 18868083]

約数ペア:

[(1, 18868083), (3, 6289361), (13, 1451391), (19, 993057), (39, 483797), (57, 331019), (247, 76389), (741, 25463)]