18985742644

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{311}}^1\times {\mathrm{126131}}^1$

素因数の和:126468

約数の個数: 36

約数和(自身を含む): 36637814304

約数和(自身を除く): 17652071660

約数列:

[1, 2, 4, 11, 22, 44, 121, 242, 311, 484, 622, 1244, 3421, 6842, 13684, 37631, 75262, 126131, 150524, 252262, 504524, 1387441, 2774882, 5549764, 15261851, 30523702, 39226741, 61047404, 78453482, 156906964, 431494151, 862988302, 1725976604, 4746435661, 9492871322, 18985742644]

約数ペア:

[(1, 18985742644), (2, 9492871322), (4, 4746435661), (11, 1725976604), (22, 862988302), (44, 431494151), (121, 156906964), (242, 78453482), (311, 61047404), (484, 39226741), (622, 30523702), (1244, 15261851), (3421, 5549764), (6842, 2774882), (13684, 1387441), (37631, 504524), (75262, 252262), (126131, 150524)]