18438771

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{6659}}^1$

素因数の和:6746

約数の個数: 16

約数和(自身を含む): 26853120

約数和(自身を除く): 8414349

約数列:

[1, 3, 13, 39, 71, 213, 923, 2769, 6659, 19977, 86567, 259701, 472789, 1418367, 6146257, 18438771]

約数ペア:

[(1, 18438771), (3, 6146257), (13, 1418367), (39, 472789), (71, 259701), (213, 86567), (923, 19977), (2769, 6659)]