19147520

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{2137}}^1$

素因数の和:2165

約数の個数: 72

約数和(自身を含む): 52440864

約数和(自身を除く): 33293344

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 256, 280, 320, 448, 560, 640, 896, 1120, 1280, 1792, 2137, 2240, 4274, 4480, 8548, 8960, 10685, 14959, 17096, 21370, 29918, 34192, 42740, 59836, 68384, 74795, 85480, 119672, 136768, 149590, 170960, 239344, 273536, 299180, 341920, 478688, 547072, 598360, 683840, 957376, 1196720, 1367680, 1914752, 2393440, 2735360, 3829504, 4786880, 9573760, 19147520]

約数ペア:

[(1, 19147520), (2, 9573760), (4, 4786880), (5, 3829504), (7, 2735360), (8, 2393440), (10, 1914752), (14, 1367680), (16, 1196720), (20, 957376), (28, 683840), (32, 598360), (35, 547072), (40, 478688), (56, 341920), (64, 299180), (70, 273536), (80, 239344), (112, 170960), (128, 149590), (140, 136768), (160, 119672), (224, 85480), (256, 74795), (280, 68384), (320, 59836), (448, 42740), (560, 34192), (640, 29918), (896, 21370), (1120, 17096), (1280, 14959), (1792, 10685), (2137, 8960), (2240, 8548), (4274, 4480)]