19492040888

素因数分解:

$2^3\times {\mathrm{643}}^1\times {\mathrm{3789277}}^1$

素因数の和:3789926

約数の個数: 16

約数和(自身を含む): 36604425480

約数和(自身を除く): 17112384592

約数列:

[1, 2, 4, 8, 643, 1286, 2572, 5144, 3789277, 7578554, 15157108, 30314216, 2436505111, 4873010222, 9746020444, 19492040888]

約数ペア:

[(1, 19492040888), (2, 9746020444), (4, 4873010222), (8, 2436505111), (643, 30314216), (1286, 15157108), (2572, 7578554), (5144, 3789277)]