18064085

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{281}}^1$

素因数の和:365

約数の個数: 32

約数和(自身を含む): 25014528

約数和(自身を除く): 6950443

約数列:

[1, 5, 13, 23, 43, 65, 115, 215, 281, 299, 559, 989, 1405, 1495, 2795, 3653, 4945, 6463, 12083, 12857, 18265, 32315, 60415, 64285, 84019, 157079, 277909, 420095, 785395, 1389545, 3612817, 18064085]

約数ペア:

[(1, 18064085), (5, 3612817), (13, 1389545), (23, 785395), (43, 420095), (65, 277909), (115, 157079), (215, 84019), (281, 64285), (299, 60415), (559, 32315), (989, 18265), (1405, 12857), (1495, 12083), (2795, 6463), (3653, 4945)]