18368973

素因数分解:

$3^2\times 7^2\times {\mathrm{23}}^1\times {\mathrm{1811}}^1$

素因数の和:1854

約数の個数: 36

約数和(自身を含む): 32224608

約数和(自身を除く): 13855635

約数列:

[1, 3, 7, 9, 21, 23, 49, 63, 69, 147, 161, 207, 441, 483, 1127, 1449, 1811, 3381, 5433, 10143, 12677, 16299, 38031, 41653, 88739, 114093, 124959, 266217, 291571, 374877, 798651, 874713, 2040997, 2624139, 6122991, 18368973]

約数ペア:

[(1, 18368973), (3, 6122991), (7, 2624139), (9, 2040997), (21, 874713), (23, 798651), (49, 374877), (63, 291571), (69, 266217), (147, 124959), (161, 114093), (207, 88739), (441, 41653), (483, 38031), (1127, 16299), (1449, 12677), (1811, 10143), (3381, 5433)]