19340020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{138143}}^1$

素因数の和:138159

約数の個数: 24

約数和(自身を含む): 46416384

約数和(自身を除く): 27076364

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 138143, 276286, 552572, 690715, 967001, 1381430, 1934002, 2762860, 3868004, 4835005, 9670010, 19340020]

約数ペア:

[(1, 19340020), (2, 9670010), (4, 4835005), (5, 3868004), (7, 2762860), (10, 1934002), (14, 1381430), (20, 967001), (28, 690715), (35, 552572), (70, 276286), (140, 138143)]