18837072

素因数分解:

$2^4\times 3^2\times {\mathrm{257}}^1\times {\mathrm{509}}^1$

素因数の和:780

約数の個数: 60

約数和(自身を含む): 53026740

約数和(自身を除く): 34189668

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 257, 509, 514, 771, 1018, 1028, 1527, 1542, 2036, 2056, 2313, 3054, 3084, 4072, 4112, 4581, 4626, 6108, 6168, 8144, 9162, 9252, 12216, 12336, 18324, 18504, 24432, 36648, 37008, 73296, 130813, 261626, 392439, 523252, 784878, 1046504, 1177317, 1569756, 2093008, 2354634, 3139512, 4709268, 6279024, 9418536, 18837072]

約数ペア:

[(1, 18837072), (2, 9418536), (3, 6279024), (4, 4709268), (6, 3139512), (8, 2354634), (9, 2093008), (12, 1569756), (16, 1177317), (18, 1046504), (24, 784878), (36, 523252), (48, 392439), (72, 261626), (144, 130813), (257, 73296), (509, 37008), (514, 36648), (771, 24432), (1018, 18504), (1028, 18324), (1527, 12336), (1542, 12216), (2036, 9252), (2056, 9162), (2313, 8144), (3054, 6168), (3084, 6108), (4072, 4626), (4112, 4581)]