18608421

素因数分解:

$3^1\times {\mathrm{13}}^2\times {\mathrm{17}}^2\times {\mathrm{127}}^1$

素因数の和:190

約数の個数: 36

約数和(自身を含む): 28764672

約数和(自身を除く): 10156251

約数列:

[1, 3, 13, 17, 39, 51, 127, 169, 221, 289, 381, 507, 663, 867, 1651, 2159, 2873, 3757, 4953, 6477, 8619, 11271, 21463, 28067, 36703, 48841, 64389, 84201, 110109, 146523, 364871, 477139, 1094613, 1431417, 6202807, 18608421]

約数ペア:

[(1, 18608421), (3, 6202807), (13, 1431417), (17, 1094613), (39, 477139), (51, 364871), (127, 146523), (169, 110109), (221, 84201), (289, 64389), (381, 48841), (507, 36703), (663, 28067), (867, 21463), (1651, 11271), (2159, 8619), (2873, 6477), (3757, 4953)]