19660528090

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{3155783}}^1$

素因数の和:3155886

約数の個数: 32

約数和(自身を含む): 40898960640

約数和(自身を除く): 21238432550

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 89, 178, 445, 623, 890, 1246, 3115, 6230, 3155783, 6311566, 15778915, 22090481, 31557830, 44180962, 110452405, 220904810, 280864687, 561729374, 1404323435, 1966052809, 2808646870, 3932105618, 9830264045, 19660528090]

約数ペア:

[(1, 19660528090), (2, 9830264045), (5, 3932105618), (7, 2808646870), (10, 1966052809), (14, 1404323435), (35, 561729374), (70, 280864687), (89, 220904810), (178, 110452405), (445, 44180962), (623, 31557830), (890, 22090481), (1246, 15778915), (3115, 6311566), (6230, 3155783)]