19377387

素因数分解:

$3^4\times {\mathrm{31}}^1\times {\mathrm{7717}}^1$

素因数の和:7760

約数の個数: 20

約数和(自身を含む): 29884096

約数和(自身を除く): 10506709

約数列:

[1, 3, 9, 27, 31, 81, 93, 279, 837, 2511, 7717, 23151, 69453, 208359, 239227, 625077, 717681, 2153043, 6459129, 19377387]

約数ペア:

[(1, 19377387), (3, 6459129), (9, 2153043), (27, 717681), (31, 625077), (81, 239227), (93, 208359), (279, 69453), (837, 23151), (2511, 7717)]