19815116

素因数分解:

$2^2\times {\mathrm{67}}^1\times {\mathrm{107}}^1\times {\mathrm{691}}^1$

素因数の和:869

約数の個数: 24

約数和(自身を含む): 35574336

約数和(自身を除く): 15759220

約数列:

[1, 2, 4, 67, 107, 134, 214, 268, 428, 691, 1382, 2764, 7169, 14338, 28676, 46297, 73937, 92594, 147874, 185188, 295748, 4953779, 9907558, 19815116]

約数ペア:

[(1, 19815116), (2, 9907558), (4, 4953779), (67, 295748), (107, 185188), (134, 147874), (214, 92594), (268, 73937), (428, 46297), (691, 28676), (1382, 14338), (2764, 7169)]