18764942

素因数分解:

$2^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{73}}^1$

素因数の和:193

約数の個数: 48

約数和(自身を含む): 34520112

約数和(自身を除く): 15755170

約数列:

[1, 2, 7, 14, 43, 49, 61, 73, 86, 98, 122, 146, 301, 427, 511, 602, 854, 1022, 2107, 2623, 2989, 3139, 3577, 4214, 4453, 5246, 5978, 6278, 7154, 8906, 18361, 21973, 31171, 36722, 43946, 62342, 128527, 153811, 191479, 218197, 257054, 307622, 382958, 436394, 1340353, 2680706, 9382471, 18764942]

約数ペア:

[(1, 18764942), (2, 9382471), (7, 2680706), (14, 1340353), (43, 436394), (49, 382958), (61, 307622), (73, 257054), (86, 218197), (98, 191479), (122, 153811), (146, 128527), (301, 62342), (427, 43946), (511, 36722), (602, 31171), (854, 21973), (1022, 18361), (2107, 8906), (2623, 7154), (2989, 6278), (3139, 5978), (3577, 5246), (4214, 4453)]