19215661509

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{193}}^1\times {\mathrm{853}}^1$

素因数の和:1200

約数の個数: 80

約数和(自身を含む): 31754124864

約数和(自身を除く): 12538463355

約数列:

[1, 3, 9, 11, 27, 33, 81, 99, 131, 193, 297, 393, 579, 853, 891, 1179, 1441, 1737, 2123, 2559, 3537, 4323, 5211, 6369, 7677, 9383, 10611, 12969, 15633, 19107, 23031, 25283, 28149, 38907, 57321, 69093, 75849, 84447, 111743, 116721, 164629, 171963, 227547, 253341, 278113, 335229, 493887, 682641, 760023, 834339, 1005687, 1229173, 1481661, 1810919, 2047923, 2503017, 3017061, 3687519, 4444983, 5432757, 7509051, 9051183, 11062557, 13334949, 16298271, 21566399, 22527153, 33187671, 48894813, 64699197, 99563013, 146684439, 194097591, 237230389, 582292773, 711691167, 1746878319, 2135073501, 6405220503, 19215661509]

約数ペア:

[(1, 19215661509), (3, 6405220503), (9, 2135073501), (11, 1746878319), (27, 711691167), (33, 582292773), (81, 237230389), (99, 194097591), (131, 146684439), (193, 99563013), (297, 64699197), (393, 48894813), (579, 33187671), (853, 22527153), (891, 21566399), (1179, 16298271), (1441, 13334949), (1737, 11062557), (2123, 9051183), (2559, 7509051), (3537, 5432757), (4323, 4444983), (5211, 3687519), (6369, 3017061), (7677, 2503017), (9383, 2047923), (10611, 1810919), (12969, 1481661), (15633, 1229173), (19107, 1005687), (23031, 834339), (25283, 760023), (28149, 682641), (38907, 493887), (57321, 335229), (69093, 278113), (75849, 253341), (84447, 227547), (111743, 171963), (116721, 164629)]