18208456

素因数分解:

$2^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{211}}^1$

素因数の和:314

約数の個数: 64

約数和(自身を含む): 41518080

約数和(自身を除く): 23309624

約数列:

[1, 2, 4, 7, 8, 14, 23, 28, 46, 56, 67, 92, 134, 161, 184, 211, 268, 322, 422, 469, 536, 644, 844, 938, 1288, 1477, 1541, 1688, 1876, 2954, 3082, 3752, 4853, 5908, 6164, 9706, 10787, 11816, 12328, 14137, 19412, 21574, 28274, 33971, 38824, 43148, 56548, 67942, 86296, 98959, 113096, 135884, 197918, 271768, 325151, 395836, 650302, 791672, 1300604, 2276057, 2601208, 4552114, 9104228, 18208456]

約数ペア:

[(1, 18208456), (2, 9104228), (4, 4552114), (7, 2601208), (8, 2276057), (14, 1300604), (23, 791672), (28, 650302), (46, 395836), (56, 325151), (67, 271768), (92, 197918), (134, 135884), (161, 113096), (184, 98959), (211, 86296), (268, 67942), (322, 56548), (422, 43148), (469, 38824), (536, 33971), (644, 28274), (844, 21574), (938, 19412), (1288, 14137), (1477, 12328), (1541, 11816), (1688, 10787), (1876, 9706), (2954, 6164), (3082, 5908), (3752, 4853)]