19680272

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{53479}}^1$

素因数の和:53510

約数の個数: 20

約数和(自身を含む): 39789120

約数和(自身を除く): 20108848

約数列:

[1, 2, 4, 8, 16, 23, 46, 92, 184, 368, 53479, 106958, 213916, 427832, 855664, 1230017, 2460034, 4920068, 9840136, 19680272]

約数ペア:

[(1, 19680272), (2, 9840136), (4, 4920068), (8, 2460034), (16, 1230017), (23, 855664), (46, 427832), (92, 213916), (184, 106958), (368, 53479)]