17921351

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{1061}}^1$

素因数の和:1214

約数の個数: 16

約数和(自身を含む): 21749760

約数和(自身を除く): 3828409

約数列:

[1, 7, 19, 127, 133, 889, 1061, 2413, 7427, 16891, 20159, 134747, 141113, 943229, 2560193, 17921351]

約数ペア:

[(1, 17921351), (7, 2560193), (19, 943229), (127, 141113), (133, 134747), (889, 20159), (1061, 16891), (2413, 7427)]