19961907

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{1117}}^1$

素因数の和:1187

約数の個数: 32

約数和(自身を含む): 32627712

約数和(自身を除く): 12665805

約数列:

[1, 3, 7, 21, 23, 37, 69, 111, 161, 259, 483, 777, 851, 1117, 2553, 3351, 5957, 7819, 17871, 23457, 25691, 41329, 77073, 123987, 179837, 289303, 539511, 867909, 950567, 2851701, 6653969, 19961907]

約数ペア:

[(1, 19961907), (3, 6653969), (7, 2851701), (21, 950567), (23, 867909), (37, 539511), (69, 289303), (111, 179837), (161, 123987), (259, 77073), (483, 41329), (777, 25691), (851, 23457), (1117, 17871), (2553, 7819), (3351, 5957)]