18763996

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{127}}^1\times {\mathrm{859}}^1$

素因数の和:1033

約数の個数: 24

約数和(自身を含む): 33904640

約数和(自身を除く): 15140644

約数列:

[1, 2, 4, 43, 86, 127, 172, 254, 508, 859, 1718, 3436, 5461, 10922, 21844, 36937, 73874, 109093, 147748, 218186, 436372, 4690999, 9381998, 18763996]

約数ペア:

[(1, 18763996), (2, 9381998), (4, 4690999), (43, 436372), (86, 218186), (127, 147748), (172, 109093), (254, 73874), (508, 36937), (859, 21844), (1718, 10922), (3436, 5461)]