19251099

素因数分解:

$3^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{257}}^1$

素因数の和:340

約数の個数: 48

約数和(自身を含む): 33808320

約数和(自身を除く): 14557221

約数列:

[1, 3, 7, 9, 21, 29, 41, 63, 87, 123, 203, 257, 261, 287, 369, 609, 771, 861, 1189, 1799, 1827, 2313, 2583, 3567, 5397, 7453, 8323, 10537, 10701, 16191, 22359, 24969, 31611, 52171, 67077, 73759, 74907, 94833, 156513, 221277, 305573, 469539, 663831, 916719, 2139011, 2750157, 6417033, 19251099]

約数ペア:

[(1, 19251099), (3, 6417033), (7, 2750157), (9, 2139011), (21, 916719), (29, 663831), (41, 469539), (63, 305573), (87, 221277), (123, 156513), (203, 94833), (257, 74907), (261, 73759), (287, 67077), (369, 52171), (609, 31611), (771, 24969), (861, 22359), (1189, 16191), (1799, 10701), (1827, 10537), (2313, 8323), (2583, 7453), (3567, 5397)]