18340437

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{199}}^1\times {\mathrm{991}}^1$

素因数の和:1224

約数の個数: 16

約数和(自身を含む): 25395200

約数和(自身を除く): 7054763

約数列:

[1, 3, 31, 93, 199, 597, 991, 2973, 6169, 18507, 30721, 92163, 197209, 591627, 6113479, 18340437]

約数ペア:

[(1, 18340437), (3, 6113479), (31, 591627), (93, 197209), (199, 92163), (597, 30721), (991, 18507), (2973, 6169)]