18704217

素因数分解:

$3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{30713}}^1$

素因数の和:30752

約数の個数: 16

約数和(自身を含む): 29485440

約数和(自身を除く): 10781223

約数列:

[1, 3, 7, 21, 29, 87, 203, 609, 30713, 92139, 214991, 644973, 890677, 2672031, 6234739, 18704217]

約数ペア:

[(1, 18704217), (3, 6234739), (7, 2672031), (21, 890677), (29, 644973), (87, 214991), (203, 92139), (609, 30713)]