81818864

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{269141}}^1$

素因数の和:269168

約数の個数: 20

約数和(自身を含む): 166868040

約数和(自身を除く): 85049176

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 269141, 538282, 1076564, 2153128, 4306256, 5113679, 10227358, 20454716, 40909432, 81818864]

約数ペア:

[(1, 81818864), (2, 40909432), (4, 20454716), (8, 10227358), (16, 5113679), (19, 4306256), (38, 2153128), (76, 1076564), (152, 538282), (304, 269141)]