19009753

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{1663}}^1$

素因数の和:1764

約数の個数: 16

約数和(自身を含む): 23003136

約数和(自身を除く): 3993383

約数列:

[1, 7, 23, 71, 161, 497, 1633, 1663, 11431, 11641, 38249, 118073, 267743, 826511, 2715679, 19009753]

約数ペア:

[(1, 19009753), (7, 2715679), (23, 826511), (71, 267743), (161, 118073), (497, 38249), (1633, 11641), (1663, 11431)]