19464856

素因数分解:

$2^3\times {\mathrm{61}}^1\times {\mathrm{39887}}^1$

素因数の和:39954

約数の個数: 16

約数和(自身を含む): 37095840

約数和(自身を除く): 17630984

約数列:

[1, 2, 4, 8, 61, 122, 244, 488, 39887, 79774, 159548, 319096, 2433107, 4866214, 9732428, 19464856]

約数ペア:

[(1, 19464856), (2, 9732428), (4, 4866214), (8, 2433107), (61, 319096), (122, 159548), (244, 79774), (488, 39887)]