1868260

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{857}}^1$

素因数の和:975

約数の個数: 24

約数和(自身を含む): 3963960

約数和(自身を除く): 2095700

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 436, 545, 857, 1090, 1714, 2180, 3428, 4285, 8570, 17140, 93413, 186826, 373652, 467065, 934130, 1868260]

約数ペア:

[(1, 1868260), (2, 934130), (4, 467065), (5, 373652), (10, 186826), (20, 93413), (109, 17140), (218, 8570), (436, 4285), (545, 3428), (857, 2180), (1090, 1714)]