19649179

素因数分解:

${\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{139}}^1\times {\mathrm{181}}^1$

素因数の和:402

約数の個数: 16

約数和(自身を含む): 22014720

約数和(自身を除く): 2365541

約数列:

[1, 11, 71, 139, 181, 781, 1529, 1991, 9869, 12851, 25159, 108559, 141361, 276749, 1786289, 19649179]

約数ペア:

[(1, 19649179), (11, 1786289), (71, 276749), (139, 141361), (181, 108559), (781, 25159), (1529, 12851), (1991, 9869)]