19490211

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{239}}^1$

素因数の和:316

約数の個数: 48

約数和(自身を含む): 33022080

約数和(自身を除く): 13531869

約数列:

[1, 3, 9, 13, 17, 39, 41, 51, 117, 123, 153, 221, 239, 369, 533, 663, 697, 717, 1599, 1989, 2091, 2151, 3107, 4063, 4797, 6273, 9061, 9321, 9799, 12189, 27183, 27963, 29397, 36567, 52819, 81549, 88191, 127387, 158457, 166583, 382161, 475371, 499749, 1146483, 1499247, 2165579, 6496737, 19490211]

約数ペア:

[(1, 19490211), (3, 6496737), (9, 2165579), (13, 1499247), (17, 1146483), (39, 499749), (41, 475371), (51, 382161), (117, 166583), (123, 158457), (153, 127387), (221, 88191), (239, 81549), (369, 52819), (533, 36567), (663, 29397), (697, 27963), (717, 27183), (1599, 12189), (1989, 9799), (2091, 9321), (2151, 9061), (3107, 6273), (4063, 4797)]