19104040

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{383}}^1$

素因数の和:466

約数の個数: 64

約数和(自身を含む): 45619200

約数和(自身を除く): 26515160

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 43, 58, 86, 116, 145, 172, 215, 232, 290, 344, 383, 430, 580, 766, 860, 1160, 1247, 1532, 1720, 1915, 2494, 3064, 3830, 4988, 6235, 7660, 9976, 11107, 12470, 15320, 16469, 22214, 24940, 32938, 44428, 49880, 55535, 65876, 82345, 88856, 111070, 131752, 164690, 222140, 329380, 444280, 477601, 658760, 955202, 1910404, 2388005, 3820808, 4776010, 9552020, 19104040]

約数ペア:

[(1, 19104040), (2, 9552020), (4, 4776010), (5, 3820808), (8, 2388005), (10, 1910404), (20, 955202), (29, 658760), (40, 477601), (43, 444280), (58, 329380), (86, 222140), (116, 164690), (145, 131752), (172, 111070), (215, 88856), (232, 82345), (290, 65876), (344, 55535), (383, 49880), (430, 44428), (580, 32938), (766, 24940), (860, 22214), (1160, 16469), (1247, 15320), (1532, 12470), (1720, 11107), (1915, 9976), (2494, 7660), (3064, 6235), (3830, 4988)]