17980493818

素因数分解:

$2^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{151}}^1\times {\mathrm{64927}}^1$

素因数の和:65218

約数の個数: 32

約数和(自身を含む): 31265169408

約数和(自身を除く): 13284675590

約数列:

[1, 2, 7, 14, 131, 151, 262, 302, 917, 1057, 1834, 2114, 19781, 39562, 64927, 129854, 138467, 276934, 454489, 908978, 8505437, 9803977, 17010874, 19607954, 59538059, 68627839, 119076118, 137255678, 1284320987, 2568641974, 8990246909, 17980493818]

約数ペア:

[(1, 17980493818), (2, 8990246909), (7, 2568641974), (14, 1284320987), (131, 137255678), (151, 119076118), (262, 68627839), (302, 59538059), (917, 19607954), (1057, 17010874), (1834, 9803977), (2114, 8505437), (19781, 908978), (39562, 454489), (64927, 276934), (129854, 138467)]