18836408

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{3221}}^1$

素因数の和:3287

約数の個数: 32

約数和(自身を含む): 38277360

約数和(自身を除く): 19440952

約数列:

[1, 2, 4, 8, 17, 34, 43, 68, 86, 136, 172, 344, 731, 1462, 2924, 3221, 5848, 6442, 12884, 25768, 54757, 109514, 138503, 219028, 277006, 438056, 554012, 1108024, 2354551, 4709102, 9418204, 18836408]

約数ペア:

[(1, 18836408), (2, 9418204), (4, 4709102), (8, 2354551), (17, 1108024), (34, 554012), (43, 438056), (68, 277006), (86, 219028), (136, 138503), (172, 109514), (344, 54757), (731, 25768), (1462, 12884), (2924, 6442), (3221, 5848)]