17986384

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{2011}}^1$

素因数の和:2075

約数の個数: 40

約数和(自身を含む): 38421152

約数和(自身を除く): 20434768

約数列:

[1, 2, 4, 8, 13, 16, 26, 43, 52, 86, 104, 172, 208, 344, 559, 688, 1118, 2011, 2236, 4022, 4472, 8044, 8944, 16088, 26143, 32176, 52286, 86473, 104572, 172946, 209144, 345892, 418288, 691784, 1124149, 1383568, 2248298, 4496596, 8993192, 17986384]

約数ペア:

[(1, 17986384), (2, 8993192), (4, 4496596), (8, 2248298), (13, 1383568), (16, 1124149), (26, 691784), (43, 418288), (52, 345892), (86, 209144), (104, 172946), (172, 104572), (208, 86473), (344, 52286), (559, 32176), (688, 26143), (1118, 16088), (2011, 8944), (2236, 8044), (4022, 4472)]