18387054740

素因数分解:

$2^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{199}}^1\times {\mathrm{55661}}^1$

素因数の和:55952

約数の個数: 48

約数和(自身を含む): 39275107200

約数和(自身を除く): 20888052460

約数列:

[1, 2, 4, 5, 10, 20, 83, 166, 199, 332, 398, 415, 796, 830, 995, 1660, 1990, 3980, 16517, 33034, 55661, 66068, 82585, 111322, 165170, 222644, 278305, 330340, 556610, 1113220, 4619863, 9239726, 11076539, 18479452, 22153078, 23099315, 44306156, 46198630, 55382695, 92397260, 110765390, 221530780, 919352737, 1838705474, 3677410948, 4596763685, 9193527370, 18387054740]

約数ペア:

[(1, 18387054740), (2, 9193527370), (4, 4596763685), (5, 3677410948), (10, 1838705474), (20, 919352737), (83, 221530780), (166, 110765390), (199, 92397260), (332, 55382695), (398, 46198630), (415, 44306156), (796, 23099315), (830, 22153078), (995, 18479452), (1660, 11076539), (1990, 9239726), (3980, 4619863), (16517, 1113220), (33034, 556610), (55661, 330340), (66068, 278305), (82585, 222644), (111322, 165170)]