2019902941

素因数分解:

$7^2\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{41681}}^1$

素因数の和:41761

約数の個数: 24

約数和(自身を含む): 2508922944

約数和(自身を除く): 489020003

約数列:

[1, 7, 23, 43, 49, 161, 301, 989, 1127, 2107, 6923, 41681, 48461, 291767, 958663, 1792283, 2042369, 6710641, 12545981, 41222509, 46974487, 87821867, 288557563, 2019902941]

約数ペア:

[(1, 2019902941), (7, 288557563), (23, 87821867), (43, 46974487), (49, 41222509), (161, 12545981), (301, 6710641), (989, 2042369), (1127, 1792283), (2107, 958663), (6923, 291767), (41681, 48461)]