2018991212

素因数分解:

$2^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{101}}^1\times {\mathrm{16603}}^1$

素因数の和:16758

約数の個数: 48

約数和(自身を含む): 4173050112

約数和(自身を除く): 2154058900

約数列:

[1, 2, 4, 7, 14, 28, 43, 86, 101, 172, 202, 301, 404, 602, 707, 1204, 1414, 2828, 4343, 8686, 16603, 17372, 30401, 33206, 60802, 66412, 116221, 121604, 232442, 464884, 713929, 1427858, 1676903, 2855716, 3353806, 4997503, 6707612, 9995006, 11738321, 19990012, 23476642, 46953284, 72106829, 144213658, 288427316, 504747803, 1009495606, 2018991212]

約数ペア:

[(1, 2018991212), (2, 1009495606), (4, 504747803), (7, 288427316), (14, 144213658), (28, 72106829), (43, 46953284), (86, 23476642), (101, 19990012), (172, 11738321), (202, 9995006), (301, 6707612), (404, 4997503), (602, 3353806), (707, 2855716), (1204, 1676903), (1414, 1427858), (2828, 713929), (4343, 464884), (8686, 232442), (16603, 121604), (17372, 116221), (30401, 66412), (33206, 60802)]