18498903

素因数分解:

$3^1\times {\mathrm{103}}^1\times {\mathrm{131}}^1\times {\mathrm{457}}^1$

素因数の和:694

約数の個数: 16

約数和(自身を含む): 25149696

約数和(自身を除く): 6650793

約数列:

[1, 3, 103, 131, 309, 393, 457, 1371, 13493, 40479, 47071, 59867, 141213, 179601, 6166301, 18498903]

約数ペア:

[(1, 18498903), (3, 6166301), (103, 179601), (131, 141213), (309, 59867), (393, 47071), (457, 40479), (1371, 13493)]