19000828

素因数分解:

$2^2\times 7^3\times {\mathrm{11}}^1\times {\mathrm{1259}}^1$

素因数の和:1295

約数の個数: 48

約数和(自身を含む): 42336000

約数和(自身を除く): 23335172

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 49, 77, 98, 154, 196, 308, 343, 539, 686, 1078, 1259, 1372, 2156, 2518, 3773, 5036, 7546, 8813, 13849, 15092, 17626, 27698, 35252, 55396, 61691, 96943, 123382, 193886, 246764, 387772, 431837, 678601, 863674, 1357202, 1727348, 2714404, 4750207, 9500414, 19000828]

約数ペア:

[(1, 19000828), (2, 9500414), (4, 4750207), (7, 2714404), (11, 1727348), (14, 1357202), (22, 863674), (28, 678601), (44, 431837), (49, 387772), (77, 246764), (98, 193886), (154, 123382), (196, 96943), (308, 61691), (343, 55396), (539, 35252), (686, 27698), (1078, 17626), (1259, 15092), (1372, 13849), (2156, 8813), (2518, 7546), (3773, 5036)]