19677441

素因数分解:

$3^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{15361}}^1$

素因数の和:15432

約数の個数: 16

約数和(自身を含む): 30478208

約数和(自身を除く): 10800767

約数列:

[1, 3, 7, 21, 61, 183, 427, 1281, 15361, 46083, 107527, 322581, 937021, 2811063, 6559147, 19677441]

約数ペア:

[(1, 19677441), (3, 6559147), (7, 2811063), (21, 937021), (61, 322581), (183, 107527), (427, 46083), (1281, 15361)]