20161188

素因数分解:

$2^2\times 3^2\times {\mathrm{281}}^1\times {\mathrm{1993}}^1$

素因数の和:2284

約数の個数: 36

約数和(自身を含む): 51170028

約数和(自身を除く): 31008840

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 281, 562, 843, 1124, 1686, 1993, 2529, 3372, 3986, 5058, 5979, 7972, 10116, 11958, 17937, 23916, 35874, 71748, 560033, 1120066, 1680099, 2240132, 3360198, 5040297, 6720396, 10080594, 20161188]

約数ペア:

[(1, 20161188), (2, 10080594), (3, 6720396), (4, 5040297), (6, 3360198), (9, 2240132), (12, 1680099), (18, 1120066), (36, 560033), (281, 71748), (562, 35874), (843, 23916), (1124, 17937), (1686, 11958), (1993, 10116), (2529, 7972), (3372, 5979), (3986, 5058)]