18910366293

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{1473803}}^1$

素因数の和:1473873

約数の個数: 32

約数和(自身を含む): 31692681216

約数和(自身を除く): 12782314923

約数列:

[1, 3, 7, 13, 21, 39, 47, 91, 141, 273, 329, 611, 987, 1833, 4277, 12831, 1473803, 4421409, 10316621, 19159439, 30949863, 57478317, 69268741, 134116073, 207806223, 402348219, 484881187, 900493633, 1454643561, 2701480899, 6303455431, 18910366293]

約数ペア:

[(1, 18910366293), (3, 6303455431), (7, 2701480899), (13, 1454643561), (21, 900493633), (39, 484881187), (47, 402348219), (91, 207806223), (141, 134116073), (273, 69268741), (329, 57478317), (611, 30949863), (987, 19159439), (1833, 10316621), (4277, 4421409), (12831, 1473803)]