18514765678

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{83}}^1\times {\mathrm{313}}^1\times {\mathrm{8287}}^1$

素因数の和:8728

約数の個数: 32

約数和(自身を含む): 28855766016

約数和(自身を除く): 10341000338

約数列:

[1, 2, 43, 83, 86, 166, 313, 626, 3569, 7138, 8287, 13459, 16574, 25979, 26918, 51958, 356341, 687821, 712682, 1117097, 1375642, 2234194, 2593831, 5187662, 29576303, 59152606, 111534733, 215287973, 223069466, 430575946, 9257382839, 18514765678]

約数ペア:

[(1, 18514765678), (2, 9257382839), (43, 430575946), (83, 223069466), (86, 215287973), (166, 111534733), (313, 59152606), (626, 29576303), (3569, 5187662), (7138, 2593831), (8287, 2234194), (13459, 1375642), (16574, 1117097), (25979, 712682), (26918, 687821), (51958, 356341)]