18989168

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{4691}}^1$

素因数の和:4733

約数の個数: 40

約数和(自身を含む): 41890176

約数和(自身を除く): 22901008

約数列:

[1, 2, 4, 8, 11, 16, 22, 23, 44, 46, 88, 92, 176, 184, 253, 368, 506, 1012, 2024, 4048, 4691, 9382, 18764, 37528, 51601, 75056, 103202, 107893, 206404, 215786, 412808, 431572, 825616, 863144, 1186823, 1726288, 2373646, 4747292, 9494584, 18989168]

約数ペア:

[(1, 18989168), (2, 9494584), (4, 4747292), (8, 2373646), (11, 1726288), (16, 1186823), (22, 863144), (23, 825616), (44, 431572), (46, 412808), (88, 215786), (92, 206404), (176, 107893), (184, 103202), (253, 75056), (368, 51601), (506, 37528), (1012, 18764), (2024, 9382), (4048, 4691)]