18899056

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{167}}^1\times {\mathrm{643}}^1$

素因数の和:829

約数の個数: 40

約数和(自身を含む): 40247424

約数和(自身を除く): 21348368

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 167, 176, 334, 643, 668, 1286, 1336, 1837, 2572, 2672, 3674, 5144, 7073, 7348, 10288, 14146, 14696, 28292, 29392, 56584, 107381, 113168, 214762, 429524, 859048, 1181191, 1718096, 2362382, 4724764, 9449528, 18899056]

約数ペア:

[(1, 18899056), (2, 9449528), (4, 4724764), (8, 2362382), (11, 1718096), (16, 1181191), (22, 859048), (44, 429524), (88, 214762), (167, 113168), (176, 107381), (334, 56584), (643, 29392), (668, 28292), (1286, 14696), (1336, 14146), (1837, 10288), (2572, 7348), (2672, 7073), (3674, 5144)]