18413649

素因数分解:

$3^4\times {\mathrm{281}}^1\times {\mathrm{809}}^1$

素因数の和:1102

約数の個数: 20

約数和(自身を含む): 27638820

約数和(自身を除く): 9225171

約数列:

[1, 3, 9, 27, 81, 281, 809, 843, 2427, 2529, 7281, 7587, 21843, 22761, 65529, 227329, 681987, 2045961, 6137883, 18413649]

約数ペア:

[(1, 18413649), (3, 6137883), (9, 2045961), (27, 681987), (81, 227329), (281, 65529), (809, 22761), (843, 21843), (2427, 7587), (2529, 7281)]