19938780291

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{11283973}}^1$

素因数の和:11284026

約数の個数: 16

約数和(自身を含む): 28886973440

約数和(自身を除く): 8948193149

約数列:

[1, 3, 19, 31, 57, 93, 589, 1767, 11283973, 33851919, 214395487, 349803163, 643186461, 1049409489, 6646260097, 19938780291]

約数ペア:

[(1, 19938780291), (3, 6646260097), (19, 1049409489), (31, 643186461), (57, 349803163), (93, 214395487), (589, 33851919), (1767, 11283973)]