18379512

素因数分解:

$2^3\times 3^2\times {\mathrm{397}}^1\times {\mathrm{643}}^1$

素因数の和:1052

約数の個数: 48

約数和(自身を含む): 49980840

約数和(自身を除く): 31601328

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 397, 643, 794, 1191, 1286, 1588, 1929, 2382, 2572, 3176, 3573, 3858, 4764, 5144, 5787, 7146, 7716, 9528, 11574, 14292, 15432, 23148, 28584, 46296, 255271, 510542, 765813, 1021084, 1531626, 2042168, 2297439, 3063252, 4594878, 6126504, 9189756, 18379512]

約数ペア:

[(1, 18379512), (2, 9189756), (3, 6126504), (4, 4594878), (6, 3063252), (8, 2297439), (9, 2042168), (12, 1531626), (18, 1021084), (24, 765813), (36, 510542), (72, 255271), (397, 46296), (643, 28584), (794, 23148), (1191, 15432), (1286, 14292), (1588, 11574), (1929, 9528), (2382, 7716), (2572, 7146), (3176, 5787), (3573, 5144), (3858, 4764)]