19977354

素因数分解:

$2^1\times 3^4\times {\mathrm{127}}^1\times {\mathrm{971}}^1$

素因数の和:1112

約数の個数: 40

約数和(自身を含む): 45163008

約数和(自身を除く): 25185654

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 127, 162, 254, 381, 762, 971, 1143, 1942, 2286, 2913, 3429, 5826, 6858, 8739, 10287, 17478, 20574, 26217, 52434, 78651, 123317, 157302, 246634, 369951, 739902, 1109853, 2219706, 3329559, 6659118, 9988677, 19977354]

約数ペア:

[(1, 19977354), (2, 9988677), (3, 6659118), (6, 3329559), (9, 2219706), (18, 1109853), (27, 739902), (54, 369951), (81, 246634), (127, 157302), (162, 123317), (254, 78651), (381, 52434), (762, 26217), (971, 20574), (1143, 17478), (1942, 10287), (2286, 8739), (2913, 6858), (3429, 5826)]