18993879

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{41381}}^1$

素因数の和:41407

約数の個数: 16

約数和(自身を含む): 29795040

約数和(自身を除く): 10801161

約数列:

[1, 3, 9, 17, 27, 51, 153, 459, 41381, 124143, 372429, 703477, 1117287, 2110431, 6331293, 18993879]

約数ペア:

[(1, 18993879), (3, 6331293), (9, 2110431), (17, 1117287), (27, 703477), (51, 372429), (153, 124143), (459, 41381)]