18313174

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{89}}^1\times {\mathrm{199}}^1$

素因数の和:348

約数の個数: 32

約数和(自身を含む): 31104000

約数和(自身を除く): 12790826

約数列:

[1, 2, 11, 22, 47, 89, 94, 178, 199, 398, 517, 979, 1034, 1958, 2189, 4183, 4378, 8366, 9353, 17711, 18706, 35422, 46013, 92026, 102883, 194821, 205766, 389642, 832417, 1664834, 9156587, 18313174]

約数ペア:

[(1, 18313174), (2, 9156587), (11, 1664834), (22, 832417), (47, 389642), (89, 205766), (94, 194821), (178, 102883), (199, 92026), (398, 46013), (517, 35422), (979, 18706), (1034, 17711), (1958, 9353), (2189, 8366), (4183, 4378)]