19310236

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{438869}}^1$

素因数の和:438884

約数の個数: 12

約数和(自身を含む): 36865080

約数和(自身を除く): 17554844

約数列:

[1, 2, 4, 11, 22, 44, 438869, 877738, 1755476, 4827559, 9655118, 19310236]

約数ペア:

[(1, 19310236), (2, 9655118), (4, 4827559), (11, 1755476), (22, 877738), (44, 438869)]