18942392

素因数分解:

$2^3\times 7^1\times {\mathrm{19}}^2\times {\mathrm{937}}^1$

素因数の和:988

約数の個数: 48

約数和(自身を含む): 42885360

約数和(自身を除く): 23942968

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 38, 56, 76, 133, 152, 266, 361, 532, 722, 937, 1064, 1444, 1874, 2527, 2888, 3748, 5054, 6559, 7496, 10108, 13118, 17803, 20216, 26236, 35606, 52472, 71212, 124621, 142424, 249242, 338257, 498484, 676514, 996968, 1353028, 2367799, 2706056, 4735598, 9471196, 18942392]

約数ペア:

[(1, 18942392), (2, 9471196), (4, 4735598), (7, 2706056), (8, 2367799), (14, 1353028), (19, 996968), (28, 676514), (38, 498484), (56, 338257), (76, 249242), (133, 142424), (152, 124621), (266, 71212), (361, 52472), (532, 35606), (722, 26236), (937, 20216), (1064, 17803), (1444, 13118), (1874, 10108), (2527, 7496), (2888, 6559), (3748, 5054)]