18826272

素因数分解:

$2^5\times 3^2\times {\mathrm{131}}^1\times {\mathrm{499}}^1$

素因数の和:646

約数の個数: 72

約数和(自身を含む): 54054000

約数和(自身を除く): 35227728

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 96, 131, 144, 262, 288, 393, 499, 524, 786, 998, 1048, 1179, 1497, 1572, 1996, 2096, 2358, 2994, 3144, 3992, 4192, 4491, 4716, 5988, 6288, 7984, 8982, 9432, 11976, 12576, 15968, 17964, 18864, 23952, 35928, 37728, 47904, 65369, 71856, 130738, 143712, 196107, 261476, 392214, 522952, 588321, 784428, 1045904, 1176642, 1568856, 2091808, 2353284, 3137712, 4706568, 6275424, 9413136, 18826272]

約数ペア:

[(1, 18826272), (2, 9413136), (3, 6275424), (4, 4706568), (6, 3137712), (8, 2353284), (9, 2091808), (12, 1568856), (16, 1176642), (18, 1045904), (24, 784428), (32, 588321), (36, 522952), (48, 392214), (72, 261476), (96, 196107), (131, 143712), (144, 130738), (262, 71856), (288, 65369), (393, 47904), (499, 37728), (524, 35928), (786, 23952), (998, 18864), (1048, 17964), (1179, 15968), (1497, 12576), (1572, 11976), (1996, 9432), (2096, 8982), (2358, 7984), (2994, 6288), (3144, 5988), (3992, 4716), (4192, 4491)]