1999118

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{1021}}^1$

素因数の和:1123

約数の個数: 16

約数和(自身を含む): 3311280

約数和(自身を除く): 1312162

約数列:

[1, 2, 11, 22, 89, 178, 979, 1021, 1958, 2042, 11231, 22462, 90869, 181738, 999559, 1999118]

約数ペア:

[(1, 1999118), (2, 999559), (11, 181738), (22, 90869), (89, 22462), (178, 11231), (979, 2042), (1021, 1958)]