19181829520

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{359}}^1\times {\mathrm{95413}}^1$

素因数の和:95792

約数の個数: 80

約数和(自身を含む): 51111371520

約数和(自身を除く): 31929542000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 359, 560, 718, 1436, 1795, 2513, 2872, 3590, 5026, 5744, 7180, 10052, 12565, 14360, 20104, 25130, 28720, 40208, 50260, 95413, 100520, 190826, 201040, 381652, 477065, 667891, 763304, 954130, 1335782, 1526608, 1908260, 2671564, 3339455, 3816520, 5343128, 6678910, 7633040, 10686256, 13357820, 26715640, 34253267, 53431280, 68506534, 137013068, 171266335, 239772869, 274026136, 342532670, 479545738, 548052272, 685065340, 959091476, 1198864345, 1370130680, 1918182952, 2397728690, 2740261360, 3836365904, 4795457380, 9590914760, 19181829520]

約数ペア:

[(1, 19181829520), (2, 9590914760), (4, 4795457380), (5, 3836365904), (7, 2740261360), (8, 2397728690), (10, 1918182952), (14, 1370130680), (16, 1198864345), (20, 959091476), (28, 685065340), (35, 548052272), (40, 479545738), (56, 342532670), (70, 274026136), (80, 239772869), (112, 171266335), (140, 137013068), (280, 68506534), (359, 53431280), (560, 34253267), (718, 26715640), (1436, 13357820), (1795, 10686256), (2513, 7633040), (2872, 6678910), (3590, 5343128), (5026, 3816520), (5744, 3339455), (7180, 2671564), (10052, 1908260), (12565, 1526608), (14360, 1335782), (20104, 954130), (25130, 763304), (28720, 667891), (40208, 477065), (50260, 381652), (95413, 201040), (100520, 190826)]