19996197

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{10909}}^1$

素因数の和:10972

約数の個数: 16

約数和(自身を含む): 29326080

約数和(自身を除く): 9329883

約数列:

[1, 3, 13, 39, 47, 141, 611, 1833, 10909, 32727, 141817, 425451, 512723, 1538169, 6665399, 19996197]

約数ペア:

[(1, 19996197), (3, 6665399), (13, 1538169), (39, 512723), (47, 425451), (141, 141817), (611, 32727), (1833, 10909)]