18991698

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{12511}}^1$

素因数の和:12550

約数の個数: 32

約数和(自身を含む): 43241472

約数和(自身を除く): 24249774

約数列:

[1, 2, 3, 6, 11, 22, 23, 33, 46, 66, 69, 138, 253, 506, 759, 1518, 12511, 25022, 37533, 75066, 137621, 275242, 287753, 412863, 575506, 825726, 863259, 1726518, 3165283, 6330566, 9495849, 18991698]

約数ペア:

[(1, 18991698), (2, 9495849), (3, 6330566), (6, 3165283), (11, 1726518), (22, 863259), (23, 825726), (33, 575506), (46, 412863), (66, 287753), (69, 275242), (138, 137621), (253, 75066), (506, 37533), (759, 25022), (1518, 12511)]