19354988

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{131}}^1\times {\mathrm{859}}^1$

素因数の和:1037

約数の個数: 24

約数和(自身を含む): 34964160

約数和(自身を除く): 15609172

約数列:

[1, 2, 4, 43, 86, 131, 172, 262, 524, 859, 1718, 3436, 5633, 11266, 22532, 36937, 73874, 112529, 147748, 225058, 450116, 4838747, 9677494, 19354988]

約数ペア:

[(1, 19354988), (2, 9677494), (4, 4838747), (43, 450116), (86, 225058), (131, 147748), (172, 112529), (262, 73874), (524, 36937), (859, 22532), (1718, 11266), (3436, 5633)]