18690391202

素因数分解:

$2^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{409}}^1\times {\mathrm{24917}}^1$

素因数の和:25466

約数の個数: 32

約数和(自身を含む): 32365491840

約数和(自身を除く): 13675100638

約数列:

[1, 2, 7, 14, 131, 262, 409, 818, 917, 1834, 2863, 5726, 24917, 49834, 53579, 107158, 174419, 348838, 375053, 750106, 3264127, 6528254, 10191053, 20382106, 22848889, 45697778, 71337371, 142674742, 1335027943, 2670055886, 9345195601, 18690391202]

約数ペア:

[(1, 18690391202), (2, 9345195601), (7, 2670055886), (14, 1335027943), (131, 142674742), (262, 71337371), (409, 45697778), (818, 22848889), (917, 20382106), (1834, 10191053), (2863, 6528254), (5726, 3264127), (24917, 750106), (49834, 375053), (53579, 348838), (107158, 174419)]