18643149

素因数分解:

$3^3\times 7^1\times {\mathrm{98641}}^1$

素因数の和:98657

約数の個数: 16

約数和(自身を含む): 31565440

約数和(自身を除く): 12922291

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 98641, 295923, 690487, 887769, 2071461, 2663307, 6214383, 18643149]

約数ペア:

[(1, 18643149), (3, 6214383), (7, 2663307), (9, 2071461), (21, 887769), (27, 690487), (63, 295923), (189, 98641)]