18788294

素因数分解:

$2^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{43291}}^1$

素因数の和:43331

約数の個数: 16

約数和(自身を含む): 33248256

約数和(自身を除く): 14459962

約数列:

[1, 2, 7, 14, 31, 62, 217, 434, 43291, 86582, 303037, 606074, 1342021, 2684042, 9394147, 18788294]

約数ペア:

[(1, 18788294), (2, 9394147), (7, 2684042), (14, 1342021), (31, 606074), (62, 303037), (217, 86582), (434, 43291)]