19660894

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{307}}^1$

素因数の和:432

約数の個数: 32

約数和(自身を含む): 33530112

約数和(自身を除く): 13869218

約数列:

[1, 2, 11, 22, 41, 71, 82, 142, 307, 451, 614, 781, 902, 1562, 2911, 3377, 5822, 6754, 12587, 21797, 25174, 32021, 43594, 64042, 138457, 239767, 276914, 479534, 893677, 1787354, 9830447, 19660894]

約数ペア:

[(1, 19660894), (2, 9830447), (11, 1787354), (22, 893677), (41, 479534), (71, 276914), (82, 239767), (142, 138457), (307, 64042), (451, 43594), (614, 32021), (781, 25174), (902, 21797), (1562, 12587), (2911, 6754), (3377, 5822)]