19866591

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{3167}}^1$

素因数の和:3231

約数の個数: 24

約数和(自身を含む): 31135104

約数和(自身を除く): 11268513

約数列:

[1, 3, 9, 17, 41, 51, 123, 153, 369, 697, 2091, 3167, 6273, 9501, 28503, 53839, 129847, 161517, 389541, 484551, 1168623, 2207399, 6622197, 19866591]

約数ペア:

[(1, 19866591), (3, 6622197), (9, 2207399), (17, 1168623), (41, 484551), (51, 389541), (123, 161517), (153, 129847), (369, 53839), (697, 28503), (2091, 9501), (3167, 6273)]