19094042

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{78901}}^1$

素因数の和:78925

約数の個数: 12

約数和(自身を含む): 31481898

約数和(自身を除く): 12387856

約数列:

[1, 2, 11, 22, 121, 242, 78901, 157802, 867911, 1735822, 9547021, 19094042]

約数ペア:

[(1, 19094042), (2, 9547021), (11, 1735822), (22, 867911), (121, 157802), (242, 78901)]