19207331

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{7901}}^1$

素因数の和:7942

約数の個数: 16

約数和(自身を含む): 23895648

約数和(自身を除く): 4688317

約数列:

[1, 11, 13, 17, 143, 187, 221, 2431, 7901, 86911, 102713, 134317, 1129843, 1477487, 1746121, 19207331]

約数ペア:

[(1, 19207331), (11, 1746121), (13, 1477487), (17, 1129843), (143, 134317), (187, 102713), (221, 86911), (2431, 7901)]