19938782

素因数分解:

$2^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1\times {\mathrm{3691}}^1$

素因数の和:3803

約数の個数: 16

約数和(自身を含む): 31145712

約数和(自身を除く): 11206930

約数列:

[1, 2, 37, 73, 74, 146, 2701, 3691, 5402, 7382, 136567, 269443, 273134, 538886, 9969391, 19938782]

約数ペア:

[(1, 19938782), (2, 9969391), (37, 538886), (73, 273134), (74, 269443), (146, 136567), (2701, 7382), (3691, 5402)]