18112719

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{6761}}^1$

素因数の和:6830

約数の個数: 16

約数和(自身を含む): 25966080

約数和(自身を除く): 7853361

約数列:

[1, 3, 19, 47, 57, 141, 893, 2679, 6761, 20283, 128459, 317767, 385377, 953301, 6037573, 18112719]

約数ペア:

[(1, 18112719), (3, 6037573), (19, 953301), (47, 385377), (57, 317767), (141, 128459), (893, 20283), (2679, 6761)]