18717242

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{15889}}^1$

素因数の和:15941

約数の個数: 16

約数和(自身を含む): 30508800

約数和(自身を除く): 11791558

約数列:

[1, 2, 19, 31, 38, 62, 589, 1178, 15889, 31778, 301891, 492559, 603782, 985118, 9358621, 18717242]

約数ペア:

[(1, 18717242), (2, 9358621), (19, 985118), (31, 603782), (38, 492559), (62, 301891), (589, 31778), (1178, 15889)]