18996626

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{43}}^2\times {\mathrm{467}}^1$

素因数の和:566

約数の個数: 24

約数和(自身を含む): 31893264

約数和(自身を除く): 12896638

約数列:

[1, 2, 11, 22, 43, 86, 467, 473, 934, 946, 1849, 3698, 5137, 10274, 20081, 20339, 40162, 40678, 220891, 441782, 863483, 1726966, 9498313, 18996626]

約数ペア:

[(1, 18996626), (2, 9498313), (11, 1726966), (22, 863483), (43, 441782), (86, 220891), (467, 40678), (473, 40162), (934, 20339), (946, 20081), (1849, 10274), (3698, 5137)]