19328643

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{109}}^1$

素因数の和:212

約数の個数: 48

約数和(自身を含む): 31917600

約数和(自身を除く): 12588957

約数列:

[1, 3, 9, 17, 19, 51, 57, 61, 109, 153, 171, 183, 323, 327, 549, 969, 981, 1037, 1159, 1853, 2071, 2907, 3111, 3477, 5559, 6213, 6649, 9333, 10431, 16677, 18639, 19703, 19947, 35207, 59109, 59841, 105621, 113033, 126331, 177327, 316863, 339099, 378993, 1017297, 1136979, 2147627, 6442881, 19328643]

約数ペア:

[(1, 19328643), (3, 6442881), (9, 2147627), (17, 1136979), (19, 1017297), (51, 378993), (57, 339099), (61, 316863), (109, 177327), (153, 126331), (171, 113033), (183, 105621), (323, 59841), (327, 59109), (549, 35207), (969, 19947), (981, 19703), (1037, 18639), (1159, 16677), (1853, 10431), (2071, 9333), (2907, 6649), (3111, 6213), (3477, 5559)]