18745510

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{281}}^1\times {\mathrm{953}}^1$

素因数の和:1248

約数の個数: 32

約数和(自身を含む): 38740032

約数和(自身を除く): 19994522

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 281, 562, 953, 1405, 1906, 1967, 2810, 3934, 4765, 6671, 9530, 9835, 13342, 19670, 33355, 66710, 267793, 535586, 1338965, 1874551, 2677930, 3749102, 9372755, 18745510]

約数ペア:

[(1, 18745510), (2, 9372755), (5, 3749102), (7, 2677930), (10, 1874551), (14, 1338965), (35, 535586), (70, 267793), (281, 66710), (562, 33355), (953, 19670), (1405, 13342), (1906, 9835), (1967, 9530), (2810, 6671), (3934, 4765)]