18009144

素因数分解:

$2^3\times 3^2\times {\mathrm{389}}^1\times {\mathrm{643}}^1$

素因数の和:1044

約数の個数: 48

約数和(自身を含む): 48976200

約数和(自身を除く): 30967056

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 389, 643, 778, 1167, 1286, 1556, 1929, 2334, 2572, 3112, 3501, 3858, 4668, 5144, 5787, 7002, 7716, 9336, 11574, 14004, 15432, 23148, 28008, 46296, 250127, 500254, 750381, 1000508, 1500762, 2001016, 2251143, 3001524, 4502286, 6003048, 9004572, 18009144]

約数ペア:

[(1, 18009144), (2, 9004572), (3, 6003048), (4, 4502286), (6, 3001524), (8, 2251143), (9, 2001016), (12, 1500762), (18, 1000508), (24, 750381), (36, 500254), (72, 250127), (389, 46296), (643, 28008), (778, 23148), (1167, 15432), (1286, 14004), (1556, 11574), (1929, 9336), (2334, 7716), (2572, 7002), (3112, 5787), (3501, 5144), (3858, 4668)]