18005960

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{601}}^1$

素因数の和:726

約数の個数: 64

約数和(自身を含む): 46811520

約数和(自身を除く): 28805560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 107, 140, 214, 280, 428, 535, 601, 749, 856, 1070, 1202, 1498, 2140, 2404, 2996, 3005, 3745, 4207, 4280, 4808, 5992, 6010, 7490, 8414, 12020, 14980, 16828, 21035, 24040, 29960, 33656, 42070, 64307, 84140, 128614, 168280, 257228, 321535, 450149, 514456, 643070, 900298, 1286140, 1800596, 2250745, 2572280, 3601192, 4501490, 9002980, 18005960]

約数ペア:

[(1, 18005960), (2, 9002980), (4, 4501490), (5, 3601192), (7, 2572280), (8, 2250745), (10, 1800596), (14, 1286140), (20, 900298), (28, 643070), (35, 514456), (40, 450149), (56, 321535), (70, 257228), (107, 168280), (140, 128614), (214, 84140), (280, 64307), (428, 42070), (535, 33656), (601, 29960), (749, 24040), (856, 21035), (1070, 16828), (1202, 14980), (1498, 12020), (2140, 8414), (2404, 7490), (2996, 6010), (3005, 5992), (3745, 4808), (4207, 4280)]