19200969

素因数分解:

$3^4\times {\mathrm{223}}^1\times {\mathrm{1063}}^1$

素因数の和:1298

約数の個数: 20

約数和(自身を含む): 28838656

約数和(自身を除く): 9637687

約数列:

[1, 3, 9, 27, 81, 223, 669, 1063, 2007, 3189, 6021, 9567, 18063, 28701, 86103, 237049, 711147, 2133441, 6400323, 19200969]

約数ペア:

[(1, 19200969), (3, 6400323), (9, 2133441), (27, 711147), (81, 237049), (223, 86103), (669, 28701), (1063, 18063), (2007, 9567), (3189, 6021)]