19803874

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{8123}}^1$

素因数の和:8201

約数の個数: 16

約数和(自身を含む): 31586112

約数和(自身を除く): 11782238

約数列:

[1, 2, 23, 46, 53, 106, 1219, 2438, 8123, 16246, 186829, 373658, 430519, 861038, 9901937, 19803874]

約数ペア:

[(1, 19803874), (2, 9901937), (23, 861038), (46, 430519), (53, 373658), (106, 186829), (1219, 16246), (2438, 8123)]