18475520

素因数分解:

$2^9\times 5^1\times 7^1\times {\mathrm{1031}}^1$

素因数の和:1061

約数の個数: 80

約数和(自身を含む): 50675328

約数和(自身を除く): 32199808

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, 512, 560, 640, 896, 1031, 1120, 1280, 1792, 2062, 2240, 2560, 3584, 4124, 4480, 5155, 7217, 8248, 8960, 10310, 14434, 16496, 17920, 20620, 28868, 32992, 36085, 41240, 57736, 65984, 72170, 82480, 115472, 131968, 144340, 164960, 230944, 263936, 288680, 329920, 461888, 527872, 577360, 659840, 923776, 1154720, 1319680, 1847552, 2309440, 2639360, 3695104, 4618880, 9237760, 18475520]

約数ペア:

[(1, 18475520), (2, 9237760), (4, 4618880), (5, 3695104), (7, 2639360), (8, 2309440), (10, 1847552), (14, 1319680), (16, 1154720), (20, 923776), (28, 659840), (32, 577360), (35, 527872), (40, 461888), (56, 329920), (64, 288680), (70, 263936), (80, 230944), (112, 164960), (128, 144340), (140, 131968), (160, 115472), (224, 82480), (256, 72170), (280, 65984), (320, 57736), (448, 41240), (512, 36085), (560, 32992), (640, 28868), (896, 20620), (1031, 17920), (1120, 16496), (1280, 14434), (1792, 10310), (2062, 8960), (2240, 8248), (2560, 7217), (3584, 5155), (4124, 4480)]