18242847

素因数分解:

$3^3\times 7^2\times {\mathrm{13789}}^1$

素因数の和:13812

約数の個数: 24

約数和(自身を含む): 31441200

約数和(自身を除く): 13198353

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 147, 189, 441, 1323, 13789, 41367, 96523, 124101, 289569, 372303, 675661, 868707, 2026983, 2606121, 6080949, 18242847]

約数ペア:

[(1, 18242847), (3, 6080949), (7, 2606121), (9, 2026983), (21, 868707), (27, 675661), (49, 372303), (63, 289569), (147, 124101), (189, 96523), (441, 41367), (1323, 13789)]