16998978

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{199}}^1\times {\mathrm{619}}^1$

素因数の和:846

約数の個数: 32

約数和(自身を含む): 35712000

約数和(自身を除く): 18713022

約数列:

[1, 2, 3, 6, 23, 46, 69, 138, 199, 398, 597, 619, 1194, 1238, 1857, 3714, 4577, 9154, 13731, 14237, 27462, 28474, 42711, 85422, 123181, 246362, 369543, 739086, 2833163, 5666326, 8499489, 16998978]

約数ペア:

[(1, 16998978), (2, 8499489), (3, 5666326), (6, 2833163), (23, 739086), (46, 369543), (69, 246362), (138, 123181), (199, 85422), (398, 42711), (597, 28474), (619, 27462), (1194, 14237), (1238, 13731), (1857, 9154), (3714, 4577)]