2019291880

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{239}}^1\times {\mathrm{11117}}^1$

素因数の和:11386

約数の個数: 64

約数和(自身を含む): 4802976000

約数和(自身を除く): 2783684120

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 239, 380, 478, 760, 956, 1195, 1912, 2390, 4541, 4780, 9082, 9560, 11117, 18164, 22234, 22705, 36328, 44468, 45410, 55585, 88936, 90820, 111170, 181640, 211223, 222340, 422446, 444680, 844892, 1056115, 1689784, 2112230, 2656963, 4224460, 5313926, 8448920, 10627852, 13284815, 21255704, 26569630, 50482297, 53139260, 100964594, 106278520, 201929188, 252411485, 403858376, 504822970, 1009645940, 2019291880]

約数ペア:

[(1, 2019291880), (2, 1009645940), (4, 504822970), (5, 403858376), (8, 252411485), (10, 201929188), (19, 106278520), (20, 100964594), (38, 53139260), (40, 50482297), (76, 26569630), (95, 21255704), (152, 13284815), (190, 10627852), (239, 8448920), (380, 5313926), (478, 4224460), (760, 2656963), (956, 2112230), (1195, 1689784), (1912, 1056115), (2390, 844892), (4541, 444680), (4780, 422446), (9082, 222340), (9560, 211223), (11117, 181640), (18164, 111170), (22234, 90820), (22705, 88936), (36328, 55585), (44468, 45410)]