18851372

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{127}}^1\times {\mathrm{863}}^1$

素因数の和:1037

約数の個数: 24

約数和(自身を含む): 34062336

約数和(自身を除く): 15210964

約数列:

[1, 2, 4, 43, 86, 127, 172, 254, 508, 863, 1726, 3452, 5461, 10922, 21844, 37109, 74218, 109601, 148436, 219202, 438404, 4712843, 9425686, 18851372]

約数ペア:

[(1, 18851372), (2, 9425686), (4, 4712843), (43, 438404), (86, 219202), (127, 148436), (172, 109601), (254, 74218), (508, 37109), (863, 21844), (1726, 10922), (3452, 5461)]