18712210

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{170111}}^1$

素因数の和:170129

約数の個数: 16

約数和(自身を含む): 36744192

約数和(自身を除く): 18031982

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 170111, 340222, 850555, 1701110, 1871221, 3742442, 9356105, 18712210]

約数ペア:

[(1, 18712210), (2, 9356105), (5, 3742442), (10, 1871221), (11, 1701110), (22, 850555), (55, 340222), (110, 170111)]