2012081912

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{677}}^1\times {\mathrm{19553}}^1$

素因数の和:20255

約数の個数: 32

約数和(自身を含む): 3977283600

約数和(自身を除く): 1965201688

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 677, 1354, 2708, 5416, 12863, 19553, 25726, 39106, 51452, 78212, 102904, 156424, 371507, 743014, 1486028, 2972056, 13237381, 26474762, 52949524, 105899048, 251510239, 503020478, 1006040956, 2012081912]

約数ペア:

[(1, 2012081912), (2, 1006040956), (4, 503020478), (8, 251510239), (19, 105899048), (38, 52949524), (76, 26474762), (152, 13237381), (677, 2972056), (1354, 1486028), (2708, 743014), (5416, 371507), (12863, 156424), (19553, 102904), (25726, 78212), (39106, 51452)]