18259353

素因数分解:

$3^2\times 7^1\times {\mathrm{109}}^1\times {\mathrm{2659}}^1$

素因数の和:2781

約数の個数: 24

約数和(自身を含む): 30430400

約数和(自身を除く): 12171047

約数列:

[1, 3, 7, 9, 21, 63, 109, 327, 763, 981, 2289, 2659, 6867, 7977, 18613, 23931, 55839, 167517, 289831, 869493, 2028817, 2608479, 6086451, 18259353]

約数ペア:

[(1, 18259353), (3, 6086451), (7, 2608479), (9, 2028817), (21, 869493), (63, 289831), (109, 167517), (327, 55839), (763, 23931), (981, 18613), (2289, 7977), (2659, 6867)]