18480418

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{431}}^1\times {\mathrm{1949}}^1$

素因数の和:2393

約数の個数: 16

約数和(自身を含む): 30326400

約数和(自身を除く): 11845982

約数列:

[1, 2, 11, 22, 431, 862, 1949, 3898, 4741, 9482, 21439, 42878, 840019, 1680038, 9240209, 18480418]

約数ペア:

[(1, 18480418), (2, 9240209), (11, 1680038), (22, 840019), (431, 42878), (862, 21439), (1949, 9482), (3898, 4741)]