18095020

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{139}}^1\times {\mathrm{283}}^1$

素因数の和:454

約数の個数: 48

約数和(自身を含む): 40078080

約数和(自身を除く): 21983060

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 139, 230, 278, 283, 460, 556, 566, 695, 1132, 1390, 1415, 2780, 2830, 3197, 5660, 6394, 6509, 12788, 13018, 15985, 26036, 31970, 32545, 39337, 63940, 65090, 78674, 130180, 157348, 196685, 393370, 786740, 904751, 1809502, 3619004, 4523755, 9047510, 18095020]

約数ペア:

[(1, 18095020), (2, 9047510), (4, 4523755), (5, 3619004), (10, 1809502), (20, 904751), (23, 786740), (46, 393370), (92, 196685), (115, 157348), (139, 130180), (230, 78674), (278, 65090), (283, 63940), (460, 39337), (556, 32545), (566, 31970), (695, 26036), (1132, 15985), (1390, 13018), (1415, 12788), (2780, 6509), (2830, 6394), (3197, 5660)]