19994618163

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{283}}^1\times {\mathrm{13829}}^1$

素因数の和:14259

約数の個数: 32

約数和(自身を含む): 29033706240

約数和(自身を除く): 9039088077

約数列:

[1, 3, 13, 39, 131, 283, 393, 849, 1703, 3679, 5109, 11037, 13829, 37073, 41487, 111219, 179777, 481949, 539331, 1445847, 1811599, 3913607, 5434797, 11740821, 23550787, 50876891, 70652361, 152630673, 512682517, 1538047551, 6664872721, 19994618163]

約数ペア:

[(1, 19994618163), (3, 6664872721), (13, 1538047551), (39, 512682517), (131, 152630673), (283, 70652361), (393, 50876891), (849, 23550787), (1703, 11740821), (3679, 5434797), (5109, 3913607), (11037, 1811599), (13829, 1445847), (37073, 539331), (41487, 481949), (111219, 179777)]