17868907

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{2707}}^1$

素因数の和:2778

約数の個数: 16

約数和(自身を含む): 21837312

約数和(自身を除く): 3968405

約数列:

[1, 7, 23, 41, 161, 287, 943, 2707, 6601, 18949, 62261, 110987, 435827, 776909, 2552701, 17868907]

約数ペア:

[(1, 17868907), (7, 2552701), (23, 776909), (41, 435827), (161, 110987), (287, 62261), (943, 18949), (2707, 6601)]