18186384531

素因数分解:

$3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{12197441}}^1$

素因数の和:12197522

約数の個数: 16

約数和(自身を含む): 28102906368

約数和(自身を除く): 9916521837

約数列:

[1, 3, 7, 21, 71, 213, 497, 1491, 12197441, 36592323, 85382087, 256146261, 866018311, 2598054933, 6062128177, 18186384531]

約数ペア:

[(1, 18186384531), (3, 6062128177), (7, 2598054933), (21, 866018311), (71, 256146261), (213, 85382087), (497, 36592323), (1491, 12197441)]