18801588

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^2\times {\mathrm{73}}^1\times {\mathrm{127}}^1$

素因数の和:233

約数の個数: 72

約数和(自身を含む): 48534528

約数和(自身を除く): 29732940

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 73, 78, 127, 146, 156, 169, 219, 254, 292, 338, 381, 438, 507, 508, 676, 762, 876, 949, 1014, 1524, 1651, 1898, 2028, 2847, 3302, 3796, 4953, 5694, 6604, 9271, 9906, 11388, 12337, 18542, 19812, 21463, 24674, 27813, 37011, 37084, 42926, 49348, 55626, 64389, 74022, 85852, 111252, 120523, 128778, 148044, 241046, 257556, 361569, 482092, 723138, 1446276, 1566799, 3133598, 4700397, 6267196, 9400794, 18801588]

約数ペア:

[(1, 18801588), (2, 9400794), (3, 6267196), (4, 4700397), (6, 3133598), (12, 1566799), (13, 1446276), (26, 723138), (39, 482092), (52, 361569), (73, 257556), (78, 241046), (127, 148044), (146, 128778), (156, 120523), (169, 111252), (219, 85852), (254, 74022), (292, 64389), (338, 55626), (381, 49348), (438, 42926), (507, 37084), (508, 37011), (676, 27813), (762, 24674), (876, 21463), (949, 19812), (1014, 18542), (1524, 12337), (1651, 11388), (1898, 9906), (2028, 9271), (2847, 6604), (3302, 5694), (3796, 4953)]