17966790868

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{1398847}}^1$

素因数の和:1398896

約数の個数: 36

約数和(自身を含む): 35838485760

約数和(自身を除く): 17871694892

約数列:

[1, 2, 4, 13, 19, 26, 38, 52, 76, 169, 247, 338, 494, 676, 988, 3211, 6422, 12844, 1398847, 2797694, 5595388, 18185011, 26578093, 36370022, 53156186, 72740044, 106312372, 236405143, 345515209, 472810286, 691030418, 945620572, 1382060836, 4491697717, 8983395434, 17966790868]

約数ペア:

[(1, 17966790868), (2, 8983395434), (4, 4491697717), (13, 1382060836), (19, 945620572), (26, 691030418), (38, 472810286), (52, 345515209), (76, 236405143), (169, 106312372), (247, 72740044), (338, 53156186), (494, 36370022), (676, 26578093), (988, 18185011), (3211, 5595388), (6422, 2797694), (12844, 1398847)]