18714245

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{193}}^1$

素因数の和:293

約数の個数: 32

約数和(自身を含む): 25812864

約数和(自身を除く): 7098619

約数列:

[1, 5, 11, 41, 43, 55, 193, 205, 215, 451, 473, 965, 1763, 2123, 2255, 2365, 7913, 8299, 8815, 10615, 19393, 39565, 41495, 87043, 91289, 96965, 340259, 435215, 456445, 1701295, 3742849, 18714245]

約数ペア:

[(1, 18714245), (5, 3742849), (11, 1701295), (41, 456445), (43, 435215), (55, 340259), (193, 96965), (205, 91289), (215, 87043), (451, 41495), (473, 39565), (965, 19393), (1763, 10615), (2123, 8815), (2255, 8299), (2365, 7913)]