19983711

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{113}}^1\times {\mathrm{233}}^1$

素因数の和:383

約数の個数: 32

約数和(自身を含む): 30730752

約数和(自身を除く): 10747041

約数列:

[1, 3, 11, 23, 33, 69, 113, 233, 253, 339, 699, 759, 1243, 2563, 2599, 3729, 5359, 7689, 7797, 16077, 26329, 28589, 58949, 78987, 85767, 176847, 289619, 605567, 868857, 1816701, 6661237, 19983711]

約数ペア:

[(1, 19983711), (3, 6661237), (11, 1816701), (23, 868857), (33, 605567), (69, 289619), (113, 176847), (233, 85767), (253, 78987), (339, 58949), (699, 28589), (759, 26329), (1243, 16077), (2563, 7797), (2599, 7689), (3729, 5359)]