15661947874

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{1109}}^1\times {\mathrm{2837}}^1$

素因数の和:4098

約数の個数: 32

約数和(自身を含む): 24949425600

約数和(自身を除く): 9287477726

約数列:

[1, 2, 19, 38, 131, 262, 1109, 2218, 2489, 2837, 4978, 5674, 21071, 42142, 53903, 107806, 145279, 290558, 371647, 743294, 2760301, 3146233, 5520602, 6292466, 7061293, 14122586, 59778427, 119556854, 412156523, 824313046, 7830973937, 15661947874]

約数ペア:

[(1, 15661947874), (2, 7830973937), (19, 824313046), (38, 412156523), (131, 119556854), (262, 59778427), (1109, 14122586), (2218, 7061293), (2489, 6292466), (2837, 5520602), (4978, 3146233), (5674, 2760301), (21071, 743294), (42142, 371647), (53903, 290558), (107806, 145279)]