18953347

素因数分解:

$7^2\times {\mathrm{613}}^1\times {\mathrm{631}}^1$

素因数の和:1258

約数の個数: 12

約数和(自身を含む): 22118736

約数和(自身を除く): 3165389

約数列:

[1, 7, 49, 613, 631, 4291, 4417, 30037, 30919, 386803, 2707621, 18953347]

約数ペア:

[(1, 18953347), (7, 2707621), (49, 386803), (613, 30919), (631, 30037), (4291, 4417)]