19211290

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{2161}}^1$

素因数の和:2302

約数の個数: 32

約数和(自身を含む): 39849984

約数和(自身を除く): 20638694

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 127, 254, 635, 889, 1270, 1778, 2161, 4322, 4445, 8890, 10805, 15127, 21610, 30254, 75635, 151270, 274447, 548894, 1372235, 1921129, 2744470, 3842258, 9605645, 19211290]

約数ペア:

[(1, 19211290), (2, 9605645), (5, 3842258), (7, 2744470), (10, 1921129), (14, 1372235), (35, 548894), (70, 274447), (127, 151270), (254, 75635), (635, 30254), (889, 21610), (1270, 15127), (1778, 10805), (2161, 8890), (4322, 4445)]