19059621

素因数分解:

$3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{21107}}^1$

素因数の和:21160

約数の個数: 16

約数和(自身を含む): 29720064

約数和(自身を除く): 10660443

約数列:

[1, 3, 7, 21, 43, 129, 301, 903, 21107, 63321, 147749, 443247, 907601, 2722803, 6353207, 19059621]

約数ペア:

[(1, 19059621), (3, 6353207), (7, 2722803), (21, 907601), (43, 443247), (129, 147749), (301, 63321), (903, 21107)]