19518216

素因数分解:

$2^3\times 3^1\times {\mathrm{43}}^1\times {\mathrm{18913}}^1$

素因数の和:18965

約数の個数: 32

約数和(自身を含む): 49932960

約数和(自身を除く): 30414744

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 43, 86, 129, 172, 258, 344, 516, 1032, 18913, 37826, 56739, 75652, 113478, 151304, 226956, 453912, 813259, 1626518, 2439777, 3253036, 4879554, 6506072, 9759108, 19518216]

約数ペア:

[(1, 19518216), (2, 9759108), (3, 6506072), (4, 4879554), (6, 3253036), (8, 2439777), (12, 1626518), (24, 813259), (43, 453912), (86, 226956), (129, 151304), (172, 113478), (258, 75652), (344, 56739), (516, 37826), (1032, 18913)]