18886430

素因数分解:

$2^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{17327}}^1$

素因数の和:17443

約数の個数: 16

約数和(自身を含む): 34309440

約数和(自身を除く): 15423010

約数列:

[1, 2, 5, 10, 109, 218, 545, 1090, 17327, 34654, 86635, 173270, 1888643, 3777286, 9443215, 18886430]

約数ペア:

[(1, 18886430), (2, 9443215), (5, 3777286), (10, 1888643), (109, 173270), (218, 86635), (545, 34654), (1090, 17327)]