18903303

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{123551}}^1$

素因数の和:123574

約数の個数: 12

約数和(自身を含む): 28911168

約数和(自身を除く): 10007865

約数列:

[1, 3, 9, 17, 51, 153, 123551, 370653, 1111959, 2100367, 6301101, 18903303]

約数ペア:

[(1, 18903303), (3, 6301101), (9, 2100367), (17, 1111959), (51, 370653), (153, 123551)]