38191918

素因数分解:

$2^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1\times {\mathrm{139}}^1$

素因数の和:304

約数の個数: 32

約数和(自身を含む): 61286400

約数和(自身を除く): 23094482

約数列:

[1, 2, 37, 47, 74, 79, 94, 139, 158, 278, 1739, 2923, 3478, 3713, 5143, 5846, 6533, 7426, 10286, 10981, 13066, 21962, 137381, 241721, 274762, 406297, 483442, 516107, 812594, 1032214, 19095959, 38191918]

約数ペア:

[(1, 38191918), (2, 19095959), (37, 1032214), (47, 812594), (74, 516107), (79, 483442), (94, 406297), (139, 274762), (158, 241721), (278, 137381), (1739, 21962), (2923, 13066), (3478, 10981), (3713, 10286), (5143, 7426), (5846, 6533)]