18116644

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{701}}^1$

素因数の和:796

約数の個数: 48

約数和(自身を含む): 39626496

約数和(自身を除く): 21509852

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 71, 91, 142, 182, 284, 364, 497, 701, 923, 994, 1402, 1846, 1988, 2804, 3692, 4907, 6461, 9113, 9814, 12922, 18226, 19628, 25844, 36452, 49771, 63791, 99542, 127582, 199084, 255164, 348397, 647023, 696794, 1294046, 1393588, 2588092, 4529161, 9058322, 18116644]

約数ペア:

[(1, 18116644), (2, 9058322), (4, 4529161), (7, 2588092), (13, 1393588), (14, 1294046), (26, 696794), (28, 647023), (52, 348397), (71, 255164), (91, 199084), (142, 127582), (182, 99542), (284, 63791), (364, 49771), (497, 36452), (701, 25844), (923, 19628), (994, 18226), (1402, 12922), (1846, 9814), (1988, 9113), (2804, 6461), (3692, 4907)]