18413470

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{199}}^1\times {\mathrm{487}}^1$

素因数の和:712

約数の個数: 32

約数和(自身を含む): 35136000

約数和(自身を除く): 16722530

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 199, 398, 487, 974, 995, 1990, 2435, 3781, 4870, 7562, 9253, 18506, 18905, 37810, 46265, 92530, 96913, 193826, 484565, 969130, 1841347, 3682694, 9206735, 18413470]

約数ペア:

[(1, 18413470), (2, 9206735), (5, 3682694), (10, 1841347), (19, 969130), (38, 484565), (95, 193826), (190, 96913), (199, 92530), (398, 46265), (487, 37810), (974, 18905), (995, 18506), (1990, 9253), (2435, 7562), (3781, 4870)]