18429460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{131639}}^1$

素因数の和:131655

約数の個数: 24

約数和(自身を含む): 44231040

約数和(自身を除く): 25801580

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 131639, 263278, 526556, 658195, 921473, 1316390, 1842946, 2632780, 3685892, 4607365, 9214730, 18429460]

約数ペア:

[(1, 18429460), (2, 9214730), (4, 4607365), (5, 3685892), (7, 2632780), (10, 1842946), (14, 1316390), (20, 921473), (28, 658195), (35, 526556), (70, 263278), (140, 131639)]