18679401

素因数分解:

$3^2\times {\mathrm{13}}^2\times {\mathrm{12281}}^1$

素因数の和:12313

約数の個数: 18

約数和(自身を含む): 29218878

約数和(自身を除く): 10539477

約数列:

[1, 3, 9, 13, 39, 117, 169, 507, 1521, 12281, 36843, 110529, 159653, 478959, 1436877, 2075489, 6226467, 18679401]

約数ペア:

[(1, 18679401), (3, 6226467), (9, 2075489), (13, 1436877), (39, 478959), (117, 159653), (169, 110529), (507, 36843), (1521, 12281)]