19418693

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{103}}^1\times {\mathrm{1171}}^1$

素因数の和:1304

約数の個数: 16

約数和(自身を含む): 23402496

約数和(自身を除く): 3983803

約数列:

[1, 7, 23, 103, 161, 721, 1171, 2369, 8197, 16583, 26933, 120613, 188531, 844291, 2774099, 19418693]

約数ペア:

[(1, 19418693), (7, 2774099), (23, 844291), (103, 188531), (161, 120613), (721, 26933), (1171, 16583), (2369, 8197)]