15418538

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{89}}^1\times {\mathrm{97}}^1$

素因数の和:254

約数の個数: 32

約数和(自身を含む): 25401600

約数和(自身を除く): 9983062

約数列:

[1, 2, 19, 38, 47, 89, 94, 97, 178, 194, 893, 1691, 1786, 1843, 3382, 3686, 4183, 4559, 8366, 8633, 9118, 17266, 79477, 86621, 158954, 164027, 173242, 328054, 405751, 811502, 7709269, 15418538]

約数ペア:

[(1, 15418538), (2, 7709269), (19, 811502), (38, 405751), (47, 328054), (89, 173242), (94, 164027), (97, 158954), (178, 86621), (194, 79477), (893, 17266), (1691, 9118), (1786, 8633), (1843, 8366), (3382, 4559), (3686, 4183)]