19939808

素因数分解:

$2^5\times 7^1\times {\mathrm{89017}}^1$

素因数の和:89034

約数の個数: 24

約数和(自身を含む): 44865072

約数和(自身を除く): 24925264

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 112, 224, 89017, 178034, 356068, 623119, 712136, 1246238, 1424272, 2492476, 2848544, 4984952, 9969904, 19939808]

約数ペア:

[(1, 19939808), (2, 9969904), (4, 4984952), (7, 2848544), (8, 2492476), (14, 1424272), (16, 1246238), (28, 712136), (32, 623119), (56, 356068), (112, 178034), (224, 89017)]