19663126

素因数分解:

$2^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{367}}^1$

素因数の和:508

約数の個数: 32

約数和(自身を含む): 34974720

約数和(自身を除く): 15311594

約数列:

[1, 2, 7, 14, 43, 86, 89, 178, 301, 367, 602, 623, 734, 1246, 2569, 3827, 5138, 7654, 15781, 26789, 31562, 32663, 53578, 65326, 110467, 220934, 228641, 457282, 1404509, 2809018, 9831563, 19663126]

約数ペア:

[(1, 19663126), (2, 9831563), (7, 2809018), (14, 1404509), (43, 457282), (86, 228641), (89, 220934), (178, 110467), (301, 65326), (367, 53578), (602, 32663), (623, 31562), (734, 26789), (1246, 15781), (2569, 7654), (3827, 5138)]