19401064

素因数分解:

$2^3\times {\mathrm{73}}^1\times {\mathrm{139}}^1\times {\mathrm{239}}^1$

素因数の和:457

約数の個数: 32

約数和(自身を含む): 37296000

約数和(自身を除く): 17894936

約数列:

[1, 2, 4, 8, 73, 139, 146, 239, 278, 292, 478, 556, 584, 956, 1112, 1912, 10147, 17447, 20294, 33221, 34894, 40588, 66442, 69788, 81176, 132884, 139576, 265768, 2425133, 4850266, 9700532, 19401064]

約数ペア:

[(1, 19401064), (2, 9700532), (4, 4850266), (8, 2425133), (73, 265768), (139, 139576), (146, 132884), (239, 81176), (278, 69788), (292, 66442), (478, 40588), (556, 34894), (584, 33221), (956, 20294), (1112, 17447), (1912, 10147)]