18099340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{129281}}^1$

素因数の和:129297

約数の個数: 24

約数和(自身を含む): 43438752

約数和(自身を除く): 25339412

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 129281, 258562, 517124, 646405, 904967, 1292810, 1809934, 2585620, 3619868, 4524835, 9049670, 18099340]

約数ペア:

[(1, 18099340), (2, 9049670), (4, 4524835), (5, 3619868), (7, 2585620), (10, 1809934), (14, 1292810), (20, 904967), (28, 646405), (35, 517124), (70, 258562), (140, 129281)]