19384491

素因数分解:

$3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{13001}}^1$

素因数の和:13082

約数の個数: 16

約数和(自身を含む): 29956608

約数和(自身を除く): 10572117

約数列:

[1, 3, 7, 21, 71, 213, 497, 1491, 13001, 39003, 91007, 273021, 923071, 2769213, 6461497, 19384491]

約数ペア:

[(1, 19384491), (3, 6461497), (7, 2769213), (21, 923071), (71, 273021), (213, 91007), (497, 39003), (1491, 13001)]