18218584

素因数分解:

$2^3\times {\mathrm{43}}^1\times {\mathrm{211}}^1\times {\mathrm{251}}^1$

素因数の和:511

約数の個数: 32

約数和(自身を含む): 35259840

約数和(自身を除く): 17041256

約数列:

[1, 2, 4, 8, 43, 86, 172, 211, 251, 344, 422, 502, 844, 1004, 1688, 2008, 9073, 10793, 18146, 21586, 36292, 43172, 52961, 72584, 86344, 105922, 211844, 423688, 2277323, 4554646, 9109292, 18218584]

約数ペア:

[(1, 18218584), (2, 9109292), (4, 4554646), (8, 2277323), (43, 423688), (86, 211844), (172, 105922), (211, 86344), (251, 72584), (344, 52961), (422, 43172), (502, 36292), (844, 21586), (1004, 18146), (1688, 10793), (2008, 9073)]