18652977

素因数分解:

$3^3\times 7^2\times {\mathrm{23}}^1\times {\mathrm{613}}^1$

素因数の和:659

約数の個数: 48

約数和(自身を含む): 33598080

約数和(自身を除く): 14945103

約数列:

[1, 3, 7, 9, 21, 23, 27, 49, 63, 69, 147, 161, 189, 207, 441, 483, 613, 621, 1127, 1323, 1449, 1839, 3381, 4291, 4347, 5517, 10143, 12873, 14099, 16551, 30037, 30429, 38619, 42297, 90111, 98693, 115857, 126891, 270333, 296079, 380673, 690851, 810999, 888237, 2072553, 2664711, 6217659, 18652977]

約数ペア:

[(1, 18652977), (3, 6217659), (7, 2664711), (9, 2072553), (21, 888237), (23, 810999), (27, 690851), (49, 380673), (63, 296079), (69, 270333), (147, 126891), (161, 115857), (189, 98693), (207, 90111), (441, 42297), (483, 38619), (613, 30429), (621, 30037), (1127, 16551), (1323, 14099), (1449, 12873), (1839, 10143), (3381, 5517), (4291, 4347)]