19704872

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{223919}}^1$

素因数の和:223936

約数の個数: 16

約数和(自身を含む): 40305600

約数和(自身を除く): 20600728

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 223919, 447838, 895676, 1791352, 2463109, 4926218, 9852436, 19704872]

約数ペア:

[(1, 19704872), (2, 9852436), (4, 4926218), (8, 2463109), (11, 1791352), (22, 895676), (44, 447838), (88, 223919)]