19208151

素因数分解:

$3^3\times {\mathrm{23}}^1\times {\mathrm{30931}}^1$

素因数の和:30963

約数の個数: 16

約数和(自身を含む): 29694720

約数和(自身を除く): 10486569

約数列:

[1, 3, 9, 23, 27, 69, 207, 621, 30931, 92793, 278379, 711413, 835137, 2134239, 6402717, 19208151]

約数ペア:

[(1, 19208151), (3, 6402717), (9, 2134239), (23, 835137), (27, 711413), (69, 278379), (207, 92793), (621, 30931)]