19438191

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{42349}}^1$

素因数の和:42375

約数の個数: 16

約数和(自身を含む): 30492000

約数和(自身を除く): 11053809

約数列:

[1, 3, 9, 17, 27, 51, 153, 459, 42349, 127047, 381141, 719933, 1143423, 2159799, 6479397, 19438191]

約数ペア:

[(1, 19438191), (3, 6479397), (9, 2159799), (17, 1143423), (27, 719933), (51, 381141), (153, 127047), (459, 42349)]