18815037

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{157}}^1\times {\mathrm{929}}^1$

素因数の和:1132

約数の個数: 16

約数和(自身を含む): 25861440

約数和(自身を除く): 7046403

約数列:

[1, 3, 43, 129, 157, 471, 929, 2787, 6751, 20253, 39947, 119841, 145853, 437559, 6271679, 18815037]

約数ペア:

[(1, 18815037), (3, 6271679), (43, 437559), (129, 145853), (157, 119841), (471, 39947), (929, 20253), (2787, 6751)]