20181489359

素因数分解:

${\mathrm{71}}^1\times {\mathrm{211}}^1\times {\mathrm{653}}^1\times {\mathrm{2063}}^1$

素因数の和:2998

約数の個数: 16

約数和(自身を含む): 20604201984

約数和(自身を除く): 422712625

約数列:

[1, 71, 211, 653, 2063, 14981, 46363, 137783, 146473, 435293, 1347139, 9782593, 30905803, 95646869, 284246329, 20181489359]

約数ペア:

[(1, 20181489359), (71, 284246329), (211, 95646869), (653, 30905803), (2063, 9782593), (14981, 1347139), (46363, 435293), (137783, 146473)]