20189636854

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{139}}^1\times {\mathrm{166189}}^1$

素因数の和:166372

約数の個数: 32

約数和(自身を含む): 33503904000

約数和(自身を除く): 13314267146

約数列:

[1, 2, 19, 23, 38, 46, 139, 278, 437, 874, 2641, 3197, 5282, 6394, 60743, 121486, 166189, 332378, 3157591, 3822347, 6315182, 7644694, 23100271, 46200542, 72624593, 145249186, 438905149, 531306233, 877810298, 1062612466, 10094818427, 20189636854]

約数ペア:

[(1, 20189636854), (2, 10094818427), (19, 1062612466), (23, 877810298), (38, 531306233), (46, 438905149), (139, 145249186), (278, 72624593), (437, 46200542), (874, 23100271), (2641, 7644694), (3197, 6315182), (5282, 3822347), (6394, 3157591), (60743, 332378), (121486, 166189)]