18513670

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{37783}}^1$

素因数の和:37804

約数の個数: 24

約数和(自身を含む): 38766384

約数和(自身を除く): 20252714

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 37783, 75566, 188915, 264481, 377830, 528962, 1322405, 1851367, 2644810, 3702734, 9256835, 18513670]

約数ペア:

[(1, 18513670), (2, 9256835), (5, 3702734), (7, 2644810), (10, 1851367), (14, 1322405), (35, 528962), (49, 377830), (70, 264481), (98, 188915), (245, 75566), (490, 37783)]