19981036373188

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{4973}}^1\times {\mathrm{91315999}}^1$

素因数の和:91320987

約数の個数: 24

約数和(自身を含む): 38153285856000

約数和(自身を除く): 18172249482812

約数列:

[1, 2, 4, 11, 22, 44, 4973, 9946, 19892, 54703, 109406, 218812, 91315999, 182631998, 365263996, 1004475989, 2008951978, 4017903956, 454114463027, 908228926054, 1816457852108, 4995259093297, 9990518186594, 19981036373188]

約数ペア:

[(1, 19981036373188), (2, 9990518186594), (4, 4995259093297), (11, 1816457852108), (22, 908228926054), (44, 454114463027), (4973, 4017903956), (9946, 2008951978), (19892, 1004475989), (54703, 365263996), (109406, 182631998), (218812, 91315999)]