19778836

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{64217}}^1$

素因数の和:64239

約数の個数: 24

約数和(自身を含む): 43154496

約数和(自身を除く): 23375660

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 308, 64217, 128434, 256868, 449519, 706387, 899038, 1412774, 1798076, 2825548, 4944709, 9889418, 19778836]

約数ペア:

[(1, 19778836), (2, 9889418), (4, 4944709), (7, 2825548), (11, 1798076), (14, 1412774), (22, 899038), (28, 706387), (44, 449519), (77, 256868), (154, 128434), (308, 64217)]