19293417

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{263}}^1$

素因数の和:315

約数の個数: 64

約数和(自身を含む): 35481600

約数和(自身を除く): 16188183

約数列:

[1, 3, 9, 11, 13, 19, 27, 33, 39, 57, 99, 117, 143, 171, 209, 247, 263, 297, 351, 429, 513, 627, 741, 789, 1287, 1881, 2223, 2367, 2717, 2893, 3419, 3861, 4997, 5643, 6669, 7101, 8151, 8679, 10257, 14991, 24453, 26037, 30771, 37609, 44973, 54967, 64961, 73359, 78111, 92313, 112827, 134919, 164901, 194883, 338481, 494703, 584649, 714571, 1015443, 1484109, 1753947, 2143713, 6431139, 19293417]

約数ペア:

[(1, 19293417), (3, 6431139), (9, 2143713), (11, 1753947), (13, 1484109), (19, 1015443), (27, 714571), (33, 584649), (39, 494703), (57, 338481), (99, 194883), (117, 164901), (143, 134919), (171, 112827), (209, 92313), (247, 78111), (263, 73359), (297, 64961), (351, 54967), (429, 44973), (513, 37609), (627, 30771), (741, 26037), (789, 24453), (1287, 14991), (1881, 10257), (2223, 8679), (2367, 8151), (2717, 7101), (2893, 6669), (3419, 5643), (3861, 4997)]