18933712

素因数分解:

$2^4\times 7^1\times {\mathrm{71}}^1\times {\mathrm{2381}}^1$

素因数の和:2467

約数の個数: 40

約数和(自身を含む): 42532992

約数和(自身を除く): 23599280

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 71, 112, 142, 284, 497, 568, 994, 1136, 1988, 2381, 3976, 4762, 7952, 9524, 16667, 19048, 33334, 38096, 66668, 133336, 169051, 266672, 338102, 676204, 1183357, 1352408, 2366714, 2704816, 4733428, 9466856, 18933712]

約数ペア:

[(1, 18933712), (2, 9466856), (4, 4733428), (7, 2704816), (8, 2366714), (14, 1352408), (16, 1183357), (28, 676204), (56, 338102), (71, 266672), (112, 169051), (142, 133336), (284, 66668), (497, 38096), (568, 33334), (994, 19048), (1136, 16667), (1988, 9524), (2381, 7952), (3976, 4762)]