19440171

素因数分解:

$3^2\times {\mathrm{43}}^1\times {\mathrm{191}}^1\times {\mathrm{263}}^1$

素因数の和:503

約数の個数: 24

約数和(自身を含む): 28993536

約数和(自身を除く): 9553365

約数列:

[1, 3, 9, 43, 129, 191, 263, 387, 573, 789, 1719, 2367, 8213, 11309, 24639, 33927, 50233, 73917, 101781, 150699, 452097, 2160019, 6480057, 19440171]

約数ペア:

[(1, 19440171), (3, 6480057), (9, 2160019), (43, 452097), (129, 150699), (191, 101781), (263, 73917), (387, 50233), (573, 33927), (789, 24639), (1719, 11309), (2367, 8213)]