19977685989

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{66851}}^1$

素因数の和:67009

約数の個数: 32

約数和(自身を含む): 28649023488

約数和(自身を除く): 8671337499

約数列:

[1, 3, 23, 61, 69, 71, 183, 213, 1403, 1633, 4209, 4331, 4899, 12993, 66851, 99613, 200553, 298839, 1537573, 4077911, 4612719, 4746421, 12233733, 14239263, 93791953, 109167683, 281375859, 289531681, 327503049, 868595043, 6659228663, 19977685989]

約数ペア:

[(1, 19977685989), (3, 6659228663), (23, 868595043), (61, 327503049), (69, 289531681), (71, 281375859), (183, 109167683), (213, 93791953), (1403, 14239263), (1633, 12233733), (4209, 4746421), (4331, 4612719), (4899, 4077911), (12993, 1537573), (66851, 298839), (99613, 200553)]