9990814.00000000

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{4903}}^1$

素因数の和:4970

約数の個数: 32

約数和(自身を含む): 74148480

約数和(自身を除く): 35954110

約数列:

[1, 2, 5, 10, 19, 38, 41, 82, 95, 190, 205, 410, 779, 1558, 3895, 4903, 7790, 9806, 24515, 49030, 93157, 186314, 201023, 402046, 465785, 931570, 1005115, 2010230, 3819437, 7638874, 19097185, 38194370]

約数ペア:

[(1, 38194370), (2, 19097185), (5, 7638874), (10, 3819437), (19, 2010230), (38, 1005115), (41, 931570), (82, 465785), (95, 402046), (190, 201023), (205, 186314), (410, 93157), (779, 49030), (1558, 24515), (3895, 9806), (4903, 7790)]