19768018

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{173}}^1$

素因数の和:322

約数の個数: 32

約数和(自身を含む): 32739840

約数和(自身を除く): 12971822

約数列:

[1, 2, 19, 31, 38, 62, 97, 173, 194, 346, 589, 1178, 1843, 3007, 3287, 3686, 5363, 6014, 6574, 10726, 16781, 33562, 57133, 101897, 114266, 203794, 318839, 520211, 637678, 1040422, 9884009, 19768018]

約数ペア:

[(1, 19768018), (2, 9884009), (19, 1040422), (31, 637678), (38, 520211), (62, 318839), (97, 203794), (173, 114266), (194, 101897), (346, 57133), (589, 33562), (1178, 16781), (1843, 10726), (3007, 6574), (3287, 6014), (3686, 5363)]