18971334

素因数分解:

$2^1\times 3^4\times {\mathrm{181}}^1\times {\mathrm{647}}^1$

素因数の和:842

約数の個数: 40

約数和(自身を含む): 42810768

約数和(自身を除く): 23839434

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 181, 362, 543, 647, 1086, 1294, 1629, 1941, 3258, 3882, 4887, 5823, 9774, 11646, 14661, 17469, 29322, 34938, 52407, 104814, 117107, 234214, 351321, 702642, 1053963, 2107926, 3161889, 6323778, 9485667, 18971334]

約数ペア:

[(1, 18971334), (2, 9485667), (3, 6323778), (6, 3161889), (9, 2107926), (18, 1053963), (27, 702642), (54, 351321), (81, 234214), (162, 117107), (181, 104814), (362, 52407), (543, 34938), (647, 29322), (1086, 17469), (1294, 14661), (1629, 11646), (1941, 9774), (3258, 5823), (3882, 4887)]