19888348527

素因数分解:

$3^4\times {\mathrm{53}}^1\times {\mathrm{59}}^1\times {\mathrm{233}}^1\times {\mathrm{337}}^1$

素因数の和:694

約数の個数: 80

約数和(自身を含む): 31007227680

約数和(自身を除く): 11118879153

約数列:

[1, 3, 9, 27, 53, 59, 81, 159, 177, 233, 337, 477, 531, 699, 1011, 1431, 1593, 2097, 3033, 3127, 4293, 4779, 6291, 9099, 9381, 12349, 13747, 17861, 18873, 19883, 27297, 28143, 37047, 41241, 53583, 59649, 78521, 84429, 111141, 123723, 160749, 178947, 235563, 253287, 333423, 371169, 482247, 536841, 706689, 728591, 1000269, 1053799, 1113507, 1446741, 1610523, 2120067, 2185773, 3161397, 4161613, 4632739, 6360201, 6557319, 9484191, 12484839, 13898217, 19671957, 28452573, 37454517, 41694651, 59015871, 85357719, 112363551, 125083953, 245535167, 337090653, 375251859, 736605501, 2209816503, 6629449509, 19888348527]

約数ペア:

[(1, 19888348527), (3, 6629449509), (9, 2209816503), (27, 736605501), (53, 375251859), (59, 337090653), (81, 245535167), (159, 125083953), (177, 112363551), (233, 85357719), (337, 59015871), (477, 41694651), (531, 37454517), (699, 28452573), (1011, 19671957), (1431, 13898217), (1593, 12484839), (2097, 9484191), (3033, 6557319), (3127, 6360201), (4293, 4632739), (4779, 4161613), (6291, 3161397), (9099, 2185773), (9381, 2120067), (12349, 1610523), (13747, 1446741), (17861, 1113507), (18873, 1053799), (19883, 1000269), (27297, 728591), (28143, 706689), (37047, 536841), (41241, 482247), (53583, 371169), (59649, 333423), (78521, 253287), (84429, 235563), (111141, 178947), (123723, 160749)]