19204031

素因数分解:

$7^2\times {\mathrm{11}}^2\times {\mathrm{41}}^1\times {\mathrm{79}}^1$

素因数の和:156

約数の個数: 36

約数和(自身を含む): 25472160

約数和(自身を除く): 6268129

約数列:

[1, 7, 11, 41, 49, 77, 79, 121, 287, 451, 539, 553, 847, 869, 2009, 3157, 3239, 3871, 4961, 5929, 6083, 9559, 22099, 22673, 34727, 35629, 42581, 66913, 158711, 243089, 249403, 391919, 468391, 1745821, 2743433, 19204031]

約数ペア:

[(1, 19204031), (7, 2743433), (11, 1745821), (41, 468391), (49, 391919), (77, 249403), (79, 243089), (121, 158711), (287, 66913), (451, 42581), (539, 35629), (553, 34727), (847, 22673), (869, 22099), (2009, 9559), (3157, 6083), (3239, 5929), (3871, 4961)]