18881012

素因数分解:

$2^2\times {\mathrm{73}}^1\times {\mathrm{64661}}^1$

素因数の和:64738

約数の個数: 12

約数和(自身を含む): 33494916

約数和(自身を除く): 14613904

約数列:

[1, 2, 4, 73, 146, 292, 64661, 129322, 258644, 4720253, 9440506, 18881012]

約数ペア:

[(1, 18881012), (2, 9440506), (4, 4720253), (73, 258644), (146, 129322), (292, 64661)]