19787038

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{443}}^1\times {\mathrm{971}}^1$

素因数の和:1439

約数の個数: 16

約数和(自身を含む): 31072896

約数和(自身を除く): 11285858

約数列:

[1, 2, 23, 46, 443, 886, 971, 1942, 10189, 20378, 22333, 44666, 430153, 860306, 9893519, 19787038]

約数ペア:

[(1, 19787038), (2, 9893519), (23, 860306), (46, 430153), (443, 44666), (886, 22333), (971, 20378), (1942, 10189)]