19386158

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{9901}}^1$

素因数の和:10003

約数の個数: 16

約数和(自身を含む): 32082480

約数和(自身を除く): 12696322

約数列:

[1, 2, 11, 22, 89, 178, 979, 1958, 9901, 19802, 108911, 217822, 881189, 1762378, 9693079, 19386158]

約数ペア:

[(1, 19386158), (2, 9693079), (11, 1762378), (22, 881189), (89, 217822), (178, 108911), (979, 19802), (1958, 9901)]