18755368

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{211}}^1\times {\mathrm{271}}^1$

素因数の和:529

約数の個数: 32

約数和(自身を含む): 36328320

約数和(自身を除く): 17572952

約数列:

[1, 2, 4, 8, 41, 82, 164, 211, 271, 328, 422, 542, 844, 1084, 1688, 2168, 8651, 11111, 17302, 22222, 34604, 44444, 57181, 69208, 88888, 114362, 228724, 457448, 2344421, 4688842, 9377684, 18755368]

約数ペア:

[(1, 18755368), (2, 9377684), (4, 4688842), (8, 2344421), (41, 457448), (82, 228724), (164, 114362), (211, 88888), (271, 69208), (328, 57181), (422, 44444), (542, 34604), (844, 22222), (1084, 17302), (1688, 11111), (2168, 8651)]