18340494

素因数分解:

$2^1\times 3^1\times {\mathrm{139}}^1\times {\mathrm{21991}}^1$

素因数の和:22135

約数の個数: 16

約数和(自身を含む): 36946560

約数和(自身を除く): 18606066

約数列:

[1, 2, 3, 6, 139, 278, 417, 834, 21991, 43982, 65973, 131946, 3056749, 6113498, 9170247, 18340494]

約数ペア:

[(1, 18340494), (2, 9170247), (3, 6113498), (6, 3056749), (139, 131946), (278, 65973), (417, 43982), (834, 21991)]