19163956

素因数分解:

$2^2\times 7^1\times {\mathrm{684427}}^1$

素因数の和:684438

約数の個数: 12

約数和(自身を含む): 38327968

約数和(自身を除く): 19164012

約数列:

[1, 2, 4, 7, 14, 28, 684427, 1368854, 2737708, 4790989, 9581978, 19163956]

約数ペア:

[(1, 19163956), (2, 9581978), (4, 4790989), (7, 2737708), (14, 1368854), (28, 684427)]