19318131

素因数分解:

$3^2\times 7^1\times {\mathrm{239}}^1\times {\mathrm{1283}}^1$

素因数の和:1535

約数の個数: 24

約数和(自身を含む): 32048640

約数和(自身を除く): 12730509

約数列:

[1, 3, 7, 9, 21, 63, 239, 717, 1283, 1673, 2151, 3849, 5019, 8981, 11547, 15057, 26943, 80829, 306637, 919911, 2146459, 2759733, 6439377, 19318131]

約数ペア:

[(1, 19318131), (3, 6439377), (7, 2759733), (9, 2146459), (21, 919911), (63, 306637), (239, 80829), (717, 26943), (1283, 15057), (1673, 11547), (2151, 8981), (3849, 5019)]