18977446

素因数分解:

$2^1\times {\mathrm{113}}^1\times {\mathrm{131}}^1\times {\mathrm{641}}^1$

素因数の和:887

約数の個数: 16

約数和(自身を含む): 28982448

約数和(自身を除く): 10005002

約数列:

[1, 2, 113, 131, 226, 262, 641, 1282, 14803, 29606, 72433, 83971, 144866, 167942, 9488723, 18977446]

約数ペア:

[(1, 18977446), (2, 9488723), (113, 167942), (131, 144866), (226, 83971), (262, 72433), (641, 29606), (1282, 14803)]