19992872

素因数分解:

$2^3\times {\mathrm{53}}^1\times {\mathrm{61}}^1\times {\mathrm{773}}^1$

素因数の和:893

約数の個数: 32

約数和(自身を含む): 38870280

約数和(自身を除く): 18877408

約数列:

[1, 2, 4, 8, 53, 61, 106, 122, 212, 244, 424, 488, 773, 1546, 3092, 3233, 6184, 6466, 12932, 25864, 40969, 47153, 81938, 94306, 163876, 188612, 327752, 377224, 2499109, 4998218, 9996436, 19992872]

約数ペア:

[(1, 19992872), (2, 9996436), (4, 4998218), (8, 2499109), (53, 377224), (61, 327752), (106, 188612), (122, 163876), (212, 94306), (244, 81938), (424, 47153), (488, 40969), (773, 25864), (1546, 12932), (3092, 6466), (3233, 6184)]