19554218

素因数分解:

$2^1\times {\mathrm{67}}^1\times {\mathrm{73}}^1\times {\mathrm{1999}}^1$

素因数の和:2141

約数の個数: 16

約数和(自身を含む): 30192000

約数和(自身を除く): 10637782

約数列:

[1, 2, 67, 73, 134, 146, 1999, 3998, 4891, 9782, 133933, 145927, 267866, 291854, 9777109, 19554218]

約数ペア:

[(1, 19554218), (2, 9777109), (67, 291854), (73, 267866), (134, 145927), (146, 133933), (1999, 9782), (3998, 4891)]