16648180

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{193}}^1\times {\mathrm{227}}^1$

素因数の和:448

約数の個数: 48

約数和(自身を含む): 37154880

約数和(自身を除く): 20506700

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 193, 227, 380, 386, 454, 772, 908, 965, 1135, 1930, 2270, 3667, 3860, 4313, 4540, 7334, 8626, 14668, 17252, 18335, 21565, 36670, 43130, 43811, 73340, 86260, 87622, 175244, 219055, 438110, 832409, 876220, 1664818, 3329636, 4162045, 8324090, 16648180]

約数ペア:

[(1, 16648180), (2, 8324090), (4, 4162045), (5, 3329636), (10, 1664818), (19, 876220), (20, 832409), (38, 438110), (76, 219055), (95, 175244), (190, 87622), (193, 86260), (227, 73340), (380, 43811), (386, 43130), (454, 36670), (772, 21565), (908, 18335), (965, 17252), (1135, 14668), (1930, 8626), (2270, 7334), (3667, 4540), (3860, 4313)]