19916183

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{103}}^1\times {\mathrm{1201}}^1$

素因数の和:1334

約数の個数: 16

約数和(自身を含む): 24001536

約数和(自身を除く): 4085353

約数列:

[1, 7, 23, 103, 161, 721, 1201, 2369, 8407, 16583, 27623, 123703, 193361, 865921, 2845169, 19916183]

約数ペア:

[(1, 19916183), (7, 2845169), (23, 865921), (103, 193361), (161, 123703), (721, 27623), (1201, 16583), (2369, 8407)]