18478992

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{1279}}^1$

素因数の和:1340

約数の個数: 80

約数和(自身を含む): 55869440

約数和(自身を除く): 37390448

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 43, 48, 56, 84, 86, 112, 129, 168, 172, 258, 301, 336, 344, 516, 602, 688, 903, 1032, 1204, 1279, 1806, 2064, 2408, 2558, 3612, 3837, 4816, 5116, 7224, 7674, 8953, 10232, 14448, 15348, 17906, 20464, 26859, 30696, 35812, 53718, 54997, 61392, 71624, 107436, 109994, 143248, 164991, 214872, 219988, 329982, 384979, 429744, 439976, 659964, 769958, 879952, 1154937, 1319928, 1539916, 2309874, 2639856, 3079832, 4619748, 6159664, 9239496, 18478992]

約数ペア:

[(1, 18478992), (2, 9239496), (3, 6159664), (4, 4619748), (6, 3079832), (7, 2639856), (8, 2309874), (12, 1539916), (14, 1319928), (16, 1154937), (21, 879952), (24, 769958), (28, 659964), (42, 439976), (43, 429744), (48, 384979), (56, 329982), (84, 219988), (86, 214872), (112, 164991), (129, 143248), (168, 109994), (172, 107436), (258, 71624), (301, 61392), (336, 54997), (344, 53718), (516, 35812), (602, 30696), (688, 26859), (903, 20464), (1032, 17906), (1204, 15348), (1279, 14448), (1806, 10232), (2064, 8953), (2408, 7674), (2558, 7224), (3612, 5116), (3837, 4816)]