19664744

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{223463}}^1$

素因数の和:223480

約数の個数: 16

約数和(自身を含む): 40223520

約数和(自身を除く): 20558776

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 223463, 446926, 893852, 1787704, 2458093, 4916186, 9832372, 19664744]

約数ペア:

[(1, 19664744), (2, 9832372), (4, 4916186), (8, 2458093), (11, 1787704), (22, 893852), (44, 446926), (88, 223463)]