19489547

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{1993}}^1$

素因数の和:2138

約数の個数: 16

約数和(自身を含む): 24502272

約数和(自身を除く): 5012725

約数列:

[1, 7, 11, 77, 127, 889, 1397, 1993, 9779, 13951, 21923, 153461, 253111, 1771777, 2784221, 19489547]

約数ペア:

[(1, 19489547), (7, 2784221), (11, 1771777), (77, 253111), (127, 153461), (889, 21923), (1397, 13951), (1993, 9779)]