18813228

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{7723}}^1$

素因数の和:7766

約数の個数: 48

約数和(自身を含む): 51905280

約数和(自身を除く): 33092052

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 29, 42, 58, 84, 87, 116, 174, 203, 348, 406, 609, 812, 1218, 2436, 7723, 15446, 23169, 30892, 46338, 54061, 92676, 108122, 162183, 216244, 223967, 324366, 447934, 648732, 671901, 895868, 1343802, 1567769, 2687604, 3135538, 4703307, 6271076, 9406614, 18813228]

約数ペア:

[(1, 18813228), (2, 9406614), (3, 6271076), (4, 4703307), (6, 3135538), (7, 2687604), (12, 1567769), (14, 1343802), (21, 895868), (28, 671901), (29, 648732), (42, 447934), (58, 324366), (84, 223967), (87, 216244), (116, 162183), (174, 108122), (203, 92676), (348, 54061), (406, 46338), (609, 30892), (812, 23169), (1218, 15446), (2436, 7723)]