19902902

素因数分解:

$2^1\times {\mathrm{47}}^1\times {\mathrm{83}}^1\times {\mathrm{2551}}^1$

素因数の和:2683

約数の個数: 16

約数和(自身を含む): 30868992

約数和(自身を除く): 10966090

約数列:

[1, 2, 47, 83, 94, 166, 2551, 3901, 5102, 7802, 119897, 211733, 239794, 423466, 9951451, 19902902]

約数ペア:

[(1, 19902902), (2, 9951451), (47, 423466), (83, 239794), (94, 211733), (166, 119897), (2551, 7802), (3901, 5102)]