18388664656

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{28031501}}^1$

素因数の和:28031550

約数の個数: 20

約数和(自身を含む): 36497015604

約数和(自身を除く): 18108350948

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 656, 28031501, 56063002, 112126004, 224252008, 448504016, 1149291541, 2298583082, 4597166164, 9194332328, 18388664656]

約数ペア:

[(1, 18388664656), (2, 9194332328), (4, 4597166164), (8, 2298583082), (16, 1149291541), (41, 448504016), (82, 224252008), (164, 112126004), (328, 56063002), (656, 28031501)]