18225804980

素因数分解:

$2^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{109}}^1\times {\mathrm{124783}}^1$

素因数の和:124968

約数の個数: 48

約数和(自身を含む): 39202141440

約数和(自身を除く): 20976336460

約数列:

[1, 2, 4, 5, 10, 20, 67, 109, 134, 218, 268, 335, 436, 545, 670, 1090, 1340, 2180, 7303, 14606, 29212, 36515, 73030, 124783, 146060, 249566, 499132, 623915, 1247830, 2495660, 8360461, 13601347, 16720922, 27202694, 33441844, 41802305, 54405388, 68006735, 83604610, 136013470, 167209220, 272026940, 911290249, 1822580498, 3645160996, 4556451245, 9112902490, 18225804980]

約数ペア:

[(1, 18225804980), (2, 9112902490), (4, 4556451245), (5, 3645160996), (10, 1822580498), (20, 911290249), (67, 272026940), (109, 167209220), (134, 136013470), (218, 83604610), (268, 68006735), (335, 54405388), (436, 41802305), (545, 33441844), (670, 27202694), (1090, 16720922), (1340, 13601347), (2180, 8360461), (7303, 2495660), (14606, 1247830), (29212, 623915), (36515, 499132), (73030, 249566), (124783, 146060)]