19786836

素因数分解:

$2^2\times 3^1\times {\mathrm{89}}^1\times {\mathrm{97}}^1\times {\mathrm{191}}^1$

素因数の和:384

約数の個数: 48

約数和(自身を含む): 47416320

約数和(自身を除く): 27629484

約数列:

[1, 2, 3, 4, 6, 12, 89, 97, 178, 191, 194, 267, 291, 356, 382, 388, 534, 573, 582, 764, 1068, 1146, 1164, 2292, 8633, 16999, 17266, 18527, 25899, 33998, 34532, 37054, 50997, 51798, 55581, 67996, 74108, 101994, 103596, 111162, 203988, 222324, 1648903, 3297806, 4946709, 6595612, 9893418, 19786836]

約数ペア:

[(1, 19786836), (2, 9893418), (3, 6595612), (4, 4946709), (6, 3297806), (12, 1648903), (89, 222324), (97, 203988), (178, 111162), (191, 103596), (194, 101994), (267, 74108), (291, 67996), (356, 55581), (382, 51798), (388, 50997), (534, 37054), (573, 34532), (582, 33998), (764, 25899), (1068, 18527), (1146, 17266), (1164, 16999), (2292, 8633)]