18717748

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{39323}}^1$

素因数の和:39351

約数の個数: 24

約数和(自身を含む): 39638592

約数和(自身を除く): 20920844

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 68, 119, 238, 476, 39323, 78646, 157292, 275261, 550522, 668491, 1101044, 1336982, 2673964, 4679437, 9358874, 18717748]

約数ペア:

[(1, 18717748), (2, 9358874), (4, 4679437), (7, 2673964), (14, 1336982), (17, 1101044), (28, 668491), (34, 550522), (68, 275261), (119, 157292), (238, 78646), (476, 39323)]