18875824

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{4663}}^1$

素因数の和:4705

約数の個数: 40

約数和(自身を含む): 41640192

約数和(自身を除く): 22764368

約数列:

[1, 2, 4, 8, 11, 16, 22, 23, 44, 46, 88, 92, 176, 184, 253, 368, 506, 1012, 2024, 4048, 4663, 9326, 18652, 37304, 51293, 74608, 102586, 107249, 205172, 214498, 410344, 428996, 820688, 857992, 1179739, 1715984, 2359478, 4718956, 9437912, 18875824]

約数ペア:

[(1, 18875824), (2, 9437912), (4, 4718956), (8, 2359478), (11, 1715984), (16, 1179739), (22, 857992), (23, 820688), (44, 428996), (46, 410344), (88, 214498), (92, 205172), (176, 107249), (184, 102586), (253, 74608), (368, 51293), (506, 37304), (1012, 18652), (2024, 9326), (4048, 4663)]