18513441

素因数分解:

$3^5\times {\mathrm{47}}^1\times {\mathrm{1621}}^1$

素因数の和:1683

約数の個数: 24

約数和(自身を含む): 28339584

約数和(自身を除く): 9826143

約数列:

[1, 3, 9, 27, 47, 81, 141, 243, 423, 1269, 1621, 3807, 4863, 11421, 14589, 43767, 76187, 131301, 228561, 393903, 685683, 2057049, 6171147, 18513441]

約数ペア:

[(1, 18513441), (3, 6171147), (9, 2057049), (27, 685683), (47, 393903), (81, 228561), (141, 131301), (243, 76187), (423, 43767), (1269, 14589), (1621, 11421), (3807, 4863)]