18868472

素因数分解:

$2^3\times 7^1\times {\mathrm{347}}^1\times {\mathrm{971}}^1$

素因数の和:1331

約数の個数: 32

約数和(自身を含む): 40590720

約数和(自身を除く): 21722248

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 347, 694, 971, 1388, 1942, 2429, 2776, 3884, 4858, 6797, 7768, 9716, 13594, 19432, 27188, 54376, 336937, 673874, 1347748, 2358559, 2695496, 4717118, 9434236, 18868472]

約数ペア:

[(1, 18868472), (2, 9434236), (4, 4717118), (7, 2695496), (8, 2358559), (14, 1347748), (28, 673874), (56, 336937), (347, 54376), (694, 27188), (971, 19432), (1388, 13594), (1942, 9716), (2429, 7768), (2776, 6797), (3884, 4858)]