18727244

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1$

素因数の和:206

約数の個数: 48

約数和(自身を含む): 35997696

約数和(自身を除く): 17270452

約数列:

[1, 2, 4, 23, 46, 47, 61, 71, 92, 94, 122, 142, 188, 244, 284, 1081, 1403, 1633, 2162, 2806, 2867, 3266, 3337, 4324, 4331, 5612, 5734, 6532, 6674, 8662, 11468, 13348, 17324, 65941, 76751, 99613, 131882, 153502, 199226, 203557, 263764, 307004, 398452, 407114, 814228, 4681811, 9363622, 18727244]

約数ペア:

[(1, 18727244), (2, 9363622), (4, 4681811), (23, 814228), (46, 407114), (47, 398452), (61, 307004), (71, 263764), (92, 203557), (94, 199226), (122, 153502), (142, 131882), (188, 99613), (244, 76751), (284, 65941), (1081, 17324), (1403, 13348), (1633, 11468), (2162, 8662), (2806, 6674), (2867, 6532), (3266, 5734), (3337, 5612), (4324, 4331)]