18019666

素因数分解:

$2^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{809}}^1$

素因数の和:898

約数の個数: 32

約数和(自身を含む): 32503680

約数和(自身を除く): 14484014

約数列:

[1, 2, 7, 14, 37, 43, 74, 86, 259, 301, 518, 602, 809, 1591, 1618, 3182, 5663, 11137, 11326, 22274, 29933, 34787, 59866, 69574, 209531, 243509, 419062, 487018, 1287119, 2574238, 9009833, 18019666]

約数ペア:

[(1, 18019666), (2, 9009833), (7, 2574238), (14, 1287119), (37, 487018), (43, 419062), (74, 243509), (86, 209531), (259, 69574), (301, 59866), (518, 34787), (602, 29933), (809, 22274), (1591, 11326), (1618, 11137), (3182, 5663)]