18289411

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{947}}^1$

素因数の和:1074

約数の個数: 16

約数和(自身を含む): 21841920

約数和(自身を除く): 3552509

約数列:

[1, 7, 31, 89, 217, 623, 947, 2759, 6629, 19313, 29357, 84283, 205499, 589981, 2612773, 18289411]

約数ペア:

[(1, 18289411), (7, 2612773), (31, 589981), (89, 205499), (217, 84283), (623, 29357), (947, 19313), (2759, 6629)]