19993254

素因数分解:

$2^1\times 3^1\times {\mathrm{163}}^1\times {\mathrm{20443}}^1$

素因数の和:20611

約数の個数: 16

約数和(自身を含む): 40233792

約数和(自身を除く): 20240538

約数列:

[1, 2, 3, 6, 163, 326, 489, 978, 20443, 40886, 61329, 122658, 3332209, 6664418, 9996627, 19993254]

約数ペア:

[(1, 19993254), (2, 9996627), (3, 6664418), (6, 3332209), (163, 122658), (326, 61329), (489, 40886), (978, 20443)]