18194260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{129959}}^1$

素因数の和:129975

約数の個数: 24

約数和(自身を含む): 43666560

約数和(自身を除く): 25472300

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 129959, 259918, 519836, 649795, 909713, 1299590, 1819426, 2599180, 3638852, 4548565, 9097130, 18194260]

約数ペア:

[(1, 18194260), (2, 9097130), (4, 4548565), (5, 3638852), (7, 2599180), (10, 1819426), (14, 1299590), (20, 909713), (28, 649795), (35, 519836), (70, 259918), (140, 129959)]