18873130

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{43891}}^1$

素因数の和:43941

約数の個数: 16

約数和(自身を含む): 34762464

約数和(自身を除く): 15889334

約数列:

[1, 2, 5, 10, 43, 86, 215, 430, 43891, 87782, 219455, 438910, 1887313, 3774626, 9436565, 18873130]

約数ペア:

[(1, 18873130), (2, 9436565), (5, 3774626), (10, 1887313), (43, 438910), (86, 219455), (215, 87782), (430, 43891)]