19964253

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{7057}}^1$

素因数の和:7124

約数の個数: 16

約数和(自身を含む): 28457856

約数和(自身を除く): 8493603

約数列:

[1, 3, 23, 41, 69, 123, 943, 2829, 7057, 21171, 162311, 289337, 486933, 868011, 6654751, 19964253]

約数ペア:

[(1, 19964253), (3, 6654751), (23, 868011), (41, 486933), (69, 289337), (123, 162311), (943, 21171), (2829, 7057)]