18933110

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{38639}}^1$

素因数の和:38660

約数の個数: 24

約数和(自身を含む): 39644640

約数和(自身を除く): 20711530

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 38639, 77278, 193195, 270473, 386390, 540946, 1352365, 1893311, 2704730, 3786622, 9466555, 18933110]

約数ペア:

[(1, 18933110), (2, 9466555), (5, 3786622), (7, 2704730), (10, 1893311), (14, 1352365), (35, 540946), (49, 386390), (70, 270473), (98, 193195), (245, 77278), (490, 38639)]