18809532007

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{2161}}^1\times {\mathrm{40111}}^1$

素因数の和:42310

約数の個数: 16

約数和(自身を含む): 22200868864

約数和(自身を除く): 3391336857

約数列:

[1, 7, 31, 217, 2161, 15127, 40111, 66991, 280777, 468937, 1243441, 8704087, 86679871, 606759097, 2687076001, 18809532007]

約数ペア:

[(1, 18809532007), (7, 2687076001), (31, 606759097), (217, 86679871), (2161, 8704087), (15127, 1243441), (40111, 468937), (66991, 280777)]