11890810

素因数分解:

$2^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{10909}}^1$

素因数の和:11025

約数の個数: 16

約数和(自身を含む): 21601800

約数和(自身を除く): 9710990

約数列:

[1, 2, 5, 10, 109, 218, 545, 1090, 10909, 21818, 54545, 109090, 1189081, 2378162, 5945405, 11890810]

約数ペア:

[(1, 11890810), (2, 5945405), (5, 2378162), (10, 1189081), (109, 109090), (218, 54545), (545, 21818), (1090, 10909)]