19738377

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{43003}}^1$

素因数の和:43029

約数の個数: 16

約数和(自身を含む): 30962880

約数和(自身を除く): 11224503

約数列:

[1, 3, 9, 17, 27, 51, 153, 459, 43003, 129009, 387027, 731051, 1161081, 2193153, 6579459, 19738377]

約数ペア:

[(1, 19738377), (3, 6579459), (9, 2193153), (17, 1161081), (27, 731051), (51, 387027), (153, 129009), (459, 43003)]