18044397

素因数分解:

$3^3\times 7^2\times {\mathrm{23}}^1\times {\mathrm{593}}^1$

素因数の和:639

約数の個数: 48

約数和(自身を含む): 32503680

約数和(自身を除く): 14459283

約数列:

[1, 3, 7, 9, 21, 23, 27, 49, 63, 69, 147, 161, 189, 207, 441, 483, 593, 621, 1127, 1323, 1449, 1779, 3381, 4151, 4347, 5337, 10143, 12453, 13639, 16011, 29057, 30429, 37359, 40917, 87171, 95473, 112077, 122751, 261513, 286419, 368253, 668311, 784539, 859257, 2004933, 2577771, 6014799, 18044397]

約数ペア:

[(1, 18044397), (3, 6014799), (7, 2577771), (9, 2004933), (21, 859257), (23, 784539), (27, 668311), (49, 368253), (63, 286419), (69, 261513), (147, 122751), (161, 112077), (189, 95473), (207, 87171), (441, 40917), (483, 37359), (593, 30429), (621, 29057), (1127, 16011), (1323, 13639), (1449, 12453), (1779, 10143), (3381, 5337), (4151, 4347)]