19881073778

素因数分解:

$2^1\times {\mathrm{113}}^1\times {\mathrm{1321}}^1\times {\mathrm{66593}}^1$

素因数の和:68029

約数の個数: 16

約数和(自身を含む): 30108745656

約数和(自身を除く): 10227671878

約数列:

[1, 2, 113, 226, 1321, 2642, 66593, 133186, 149273, 298546, 7525009, 15050018, 87969353, 175938706, 9940536889, 19881073778]

約数ペア:

[(1, 19881073778), (2, 9940536889), (113, 175938706), (226, 87969353), (1321, 15050018), (2642, 7525009), (66593, 298546), (133186, 149273)]