19556486

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{9887}}^1$

素因数の和:9955

約数の個数: 16

約数和(自身を含む): 31325184

約数和(自身を除く): 11768698

約数列:

[1, 2, 23, 43, 46, 86, 989, 1978, 9887, 19774, 227401, 425141, 454802, 850282, 9778243, 19556486]

約数ペア:

[(1, 19556486), (2, 9778243), (23, 850282), (43, 454802), (46, 425141), (86, 227401), (989, 19774), (1978, 9887)]